Once married into wealth but now debt-ridden, Lee Mung-Lu returns to Hong Kong from Malaysia to seek refuge with her niece Lee Lok-Yee. They are poles apart, often bickering. By chance, Mung-Lu learns that the fruit market owned by her elder brother was seized by Fung Tai-Kin and his nephew Fung Bo. She seeks to reclaim the property by hook or by crook but ends up in hilarious chaos.

Healthcare reform in Hong Kong is a controversial topic. The government plans to privatize public hospitals and raise funds to maintain operations. Marshall Paxton, a leading public hospital, has become a pilot for reform. This drama focuses on the everyday workings of medical professionals and the politics behind the healthcare industry in Hong Kong.

Fixers will use any means necessary to help the triads solve the most difficult problems. Karson Chung, a fixer for a Chinese-Australian triad, wishes to leave the triads and be together with his loved one but she dies in an accident. At the same time, he is framed for murdering a triad leader. He fakes his death to escape to Hong Kong, where he starts a new life as a high school gym teacher. Jovy Cheung, a new teacher at the school, is actually the daughter of a triad leader. Her father's retirement from the triads causes waves on both the lawful and unlawful sides and even affects the school community. Karson is forced to take up his identity as a fixer again to protect Jovy and the students. When Jovy's father is murdered, Jovy is forced to take over as a triad leader to bring control to the chaotic underworld. As Karson is in love with Jovy, he swears to help and protect her. Facing a new realignment in the good and bad spheres, who can set things right again?

Disaster is looming in gangland because of a murder case. Cheung Sai-lun, Chinese American drama fanatic, returns to Hong Kong to look for opportunities in showbiz. Sai-lun somehow encounters a policewoman called Koo Yan-yee, who gives him an important assignment that requires him to pretend to be an orphan of Big Boss of Union Gang. With the assistance of a seasoned decoy called Ko Bun, Sai-lun becomes Big Boss. Sai-lun then repeatedly offers help to gang leader So Tsz-shan and an actress by the name of Chong Ming-lai. You Ching-shui, lady boss of some nightlife venue, and a trio of unrelated fresh-faced ladies also keep clinging to Sai-lun. While Sai-lun is starting to venture into gangland, he and Ko Bun become amicable partners. And with absolute protection provided by formidable fighter Luk Chau, crises are overcome. But nobody is aware of some shocking scheme has been awaiting him behind the gang activities.

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!

High-end AI robot Bo accidentally loses her way while she is being shipped from the factory. She eventually ends up among a family of weirdos in the realm of human beings. AI company employee Koo Ka-lim thinks he has found some treasure and arbitrarily keeps Bo for himself. To help four family members in the Koo household handle all kinds of strange tasks, Bo switches on her self-learning function and begins to experience myriad human emotions and desires. She even has a crush on her master Ka-lim and understands the meaning of love. Top management member and also romantic rival Sister Dorian keeps going after Bo at all times as she is determined to eradicate her. Meanwhile, Bo detects some computer bug has hit her. Her life is coming to an end.

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.