"Yat Gor" Chak Koon-yat, "Win Jeh" Ho Ching-fa, and "Yee Jai" Hugo Ng have followed their master Szeto Sing to learn con tricks and illusions since childhood. Yat and Fa grow fond of each other over the years, but a competition estranges them and they lose contact. In order to flush out the mole, a casino tycoon named Fok Chun-sing colludes with Szeto to induce Yat and Hugo into taking up a secret mission, resulting in their reunion with Fa. With each of them possessing a unique talent, they gradually uncover that the mole might be Fok's right-hand man Lam Lui, confidant Yau Yuet-wah, or one of their rivals. But nothing is as it seems. To come into terms to why Fok killed his father Chiang Tin-lung twenty years ago, Yat infiltrates the Chun Sing Group, dealing a crushing blow to the crisis-ridden casino. That leads to an enmity between siblings, total severance of the master-disciple relationship, and irreconcilable differences between father and son.

Urban legends, seemingly true yet seemingly fantastical, connect the past and future. While conducting research at Bride’s Pool, professor of folkloristics Poon Dor-lai experiences what appears to be paranormal encounters, but soon uncovers criminal exploits behind it. She teams up with journalist Fu Chi-pok to probe into the matter, unravelling the unknown background of bride-to-be Wong Yuk. The two decide to team up to continue work on Chi-pok's missing father's research paper on urban legends, but in the process, they discover many cases that bear similarity to the legends and they begin to suspect his disappearance.

The Imperial Qing Empire falls, officially ending the era of Emperors. Three palace eunuchs Lee Siu Kung, Dan Tin, and Chan Siu Fung are expelled and demoted to the peasantry. As they struggle to make a living for themselves beyond the palace borders, they come across the con artist Chui Tsun Sing, who disguises himself as a eunuch to gain their trust. A string of unfortunate events leads them captured and later sold as servants to the Kams’, a rich family led by a matriarch. The eunuchs do everything they can to fix the situation they’re in, but the more they try, the messier it gets.

Former CID detective Sze Tou Shun was forced to leave the police force due to suspicions that he was involved in an arson case. He joins a security company, where he meets Cheng Lik Hang. As a former detective, Sze Tou Shun has a reclusive character, but has a sharp eye that can catch tiny details from surveillance footage which are often the key to solving cases. Cheng Lik Hang's thinking and style of working is similar to Sze Tou Shun's and is also excellent at his job. The two become good friends and are looked upon favourably by their superior. This is until private investigator Ng Zan Nei appears. Conflict arises when she mistakes Sze Tou Shun for an old friend...

During the Northern Song dynasty, the Phecda Bureau is considered the most powerful of all government offices. Led by Fung Nam-Tin, his elite group is in charge of all criminal cases nationwide. The bureau's commander, Chu Cheung-Sing, is greatly valued by Nam-Tin, but due to one particular robbery case, they go their separate ways. Along with his wife Tao Fa, Cheung-Sing vanishes for nearly ten years until the case draws to a close. Now past his working prime, Nam Tim orders three officers to summon Cheung-Sing back to the bureau. Meanwhile, the Jin dynasty has long coveted the Song land, and is ready to launch an invasion.

A sudden storm causes Chung Ting-Kwok, a guerrilla fighter during the Second Sino-Japanese War, to awaken after being frozen for over seventy years. He discovers that he is now in the year 2018. He searches for his family, only to see his descendants behaving badly. His son Ho Woh-Ping is fraudulently on welfare, while his grandson Ho Wing-Nin uses feng shui to deceive people for money, yet Ting-Kwok is unable to correct them. From covering up the truth of murder to getting caught up in a battle for money, Chung Ting-Kwok vows to save his family at any cost.

A search and rescue department specializes in finding loved ones lost during a war, natural disaster or relocation. The paranoid and skeptical Hong Yu-Fung, the optimistic and energetic Sze Yik-Him, the eloquent Crystal Sin, and computer expert Yeung Chi-Kei are led by a calm and rational team leader Lo Man-Kit to start their experience of searching and rescuing people. Not only do they find happiness in their work, but they also go through a whole new experience of how they see themselves.

Siu Wai-ming has been haunted by a dream of a woman wearing a cheongsam for many years. When he becomes an administrative manager for an old apartment building, he meets a tenant – air stewardess Alex Cheung – who looks exactly like the woman in his dream. As they get to know each other, the apartment building seems to come to life, performing the strange and fantastical lives of the tenants who live there.

Hui Chun-sum is an elite OCTB officer. He is fearless and competent. His boss thinks highly of him, and his colleagues really admire him. But his ultimate dream is to join SDU. Another elite OCTB officer Shum Wai-lik has a shrewd mind and extensive experience. Although the duo have different approaches, but they are like-minded and ideally complement each other. Police suffer heavy casualties as they are ambushed by thugs. To catch the culprit, Chun-sum forgets his dream and stays with OCTB. Moreover, Chun-sum and Wai-lik are faced with successive nasty cases that are tortuous, surreptitious, tricky and baffling. The duo use reverse thinking, psychological game theory and meticulous analysis to decipher the criminals’ thoughts and motives. No crook can escape the long arm of the law!

Barrister Koo Ling-shan is a successful career woman, but she just cannot find the right guy. She does not get along with her younger sister Ching-tung, who is a chauffeur by profession. Co-working space manager Yu-yin hits rock bottom as she is devastated by her husband’s death. Due to some inheritance issues, the trio have coincidentally taken on different tasks. They bump into Sheung-yi, who nearly causes some disaster because of her dual personality, in the process. Kwan-yuet is cynical and full of negative energy. Fong Chor-yu is inexperienced, but she is passionate about fencing. Their ultimate mission is to find the seventh princess. And they also have to discover their self worth so as to overcome regrets in their family relationships.

Gam Wah appears to be a cop who can easily betray his own dignity and accept bribes. While investigating a human trafficking case, he meets Leung Sam, a woman who has taken a vow of celibacy. Leung Sam and her friend, Fa Ying Yuet, had been kidnapped when they were young, thus, they hate human traffickers. They equally hate corrupt public servants, with the exception of Gam Wah's colleague, Sum Yat Yin, whose upright and honest character catches Leung Sam's eye and she even falls in love with him. Gam Wah and Sum Yat Yin are initially polar opposites, but after Gam Wah's acceptance of a bribe causes the death of a witness, it starts to touch his conscience. However, at the time, the police and the underworld each had their own unbreakable, unwritten laws. Sum Yat Yin is demoted amidst the power struggle of businessman and detective. It puts his relationship with Leung Sam to the test. Seeing all of this, Gam Wah's heart aches, but all he can do is stay silently by Leung Sam's side and secretly hope that he can make up for his past mistakes.

In the early years of the Republic of China, gang leader SO FEI (Wong Ho Yin), to whom the brotherly loyalty will always prevail, runs a hard labour business which encounters financial difficulties. Misconstruing that simple and honest SUNG LAI-WO (Sunny Chan) is a close relative to the TONG's family - a noble clan of Xiguan, SO FEI deliberately flatters him in order to gain profits from the new dock run by LAI-WO. Unanticipatedly LAI-WO is merely an idler of the TONG's family, and the one at the helm is actually a pre-eminent businesswoman in Guangzhou and the eldest daughter of the TONG's family – TONG NGA-WUN (Sonija Kwok)...

Kam Bing-shun is a top law student, however, due to a miscarriage of justice, he decides to follow the path to becoming a Legal Executive. By means of his diplomatic and tactful approach, Bing-shun gradually builds his own brand, Adviser Kam. The law firm where Adviser Kam works abruptly faces the prospect of closing down. He uses networking to defuse the situation. He is also invited by lawyers Tin Yau-ka and Yu Kwok-tung to join their team. Moreover, he collaborates with legal counsel Ma Wai-hung in forming the new Super CP in the legal profession with the aim of unraveling all kinds of complex cases. And then Adviser Kam astonishingly again ends up standing in the dock as the accused. Even though Adviser Kam has the full support of his three buddies, he still has no advantage in the courtroom. After all, can Adviser Kam and his legal team turn the tables in the legal battle, continue to speak the language of law and stand up for justice?

A group of friends who grew up together were separated after a building that collapsed changed their fates forever. When they meet again many years later, their identities have become very different that it is difficult to distinguish between friend or foe, yet they continue to struggle between justice and friendship.

Career woman KAN YIK-PO (Sheung Tin Ngor) turns housewife unwillingly with the sudden resignation of her domestic helper. Being the only breadwinner in the family and faced with a restructuring at work, her husband, SUEN KA-ON (Cheung Siu Fai), finds himself on the verge of a mid-life crisis. PO’s younger sister, KAN YIK-TAN (Joyce Tang), is a devil-may-care woman. The fact that she has recently broken up with her boyfriend does not discourage her from starting another relationship. Quite the contrary, she marries Malaysian Chinese NG LOK-YAN (Hanjin Tan), a guy she merely knows about, and takes him back to Hong Kong. Come and see how intriguing and fun living in a household with culture shock under the same roof can be!

Yau Tat and Yip Fai Ting became high school friends due to a cycling competition, but lost contact with each other after Yip Fai Ting had to return to Taiwan for family reasons. Years later, they meet again at an accounting firm. Yau Tat's boss, Ling Hei, likes to play office politics and often drives a wedge between colleagues. It causes a grudge between Yau Tat and Yip Fai Ting. Fortunately, the secretary Wu Sam Lam is very considerate and encouraging towards Yau Tat. His mother, Yau Wing Ci wants to make them a couple, but Yau Tat does not want to start a relationship because of his family burdens. This is until he meets Yeung Gwong, who happens to be Yip Fai Ting's childhood friend and a fellow accountant. However, Yau Tat is hesitant to move forward because of Yip Fai Ting's feelings for Yeung Gwong. In addition, dealing with the office politics on a daily basis makes them lose sight of their goals in life. Finally, Yau Tat and Yip Fai Ting decide to put aside everything and return to the cycling track to rediscover their fighting spirit and friendship.

After leaving her boyfriend, veterinary surgeon Kam Wai-ting moves to Sai Kung with her beloved dog Donut and starts a new life. At her new workplace, Wai-ting meets animal communicator Wong Sing-yan. The duo often quarrel due to their different values regarding pets. In an accident, Sing-yan acquires skills for communicating with Donut, and a man and a dog gradually build a friendship and help each other. Sing-yan learns from Donut that Wai-ting has some love issues, so he helps her decipher her conundrum. The duo's relationship improves, and they gradually like each other. However, they do not have feelings of affection due to their age difference. Donut wants to play matchmaker for the duo, but it gets into hilarious situations. And its ideas even backfire. Each of the duo also has their own admirers, resulting in more obstacles in their relationship.

In order to develop new business, LAW SIK-SIK, who works for a travel agency, goes to Malaysia to have a meeting with her client. Unexpectedly, her plans are ruined by a local cunning tour guide, LUK KUNG-CHI, resulting in a falling-out between the two. All of a sudden, SIK-SIK"s boyfriend CHING CHIN-BOK appears to propose marriage to her. The pair start preparing for their wedding ceremony on the heels of their return to Hong Kong.

Following the success of part 1, "Sinister Beings 2" returns with a familiar cast. Two senior detectives Hua Tuan Sam (played by Tran Trien Bang) and Tham Vi Luc (played by Huynh Tri Hien) work together for the Organized Crime Investigation Team and the OCTB or Point O (Organized Crime and Triad Bureau). With their intelligence and sharp observation ability, they solve many cases.