Many people die as old-fashioned tenement Wai Lei Building abruptly collapses. Engineer Sze Kwong has conducted a survey of the building. He arbitrarily investigates the incident as he reckons the building collapse is shrouded in intrigue. While the incident is being unraveled, Sze Kwong’s girlfriend Cheung Man, who is some property developer’s lawyer, dies in a traffic accident. Then his younger half sister Auyeung Ka-shun meets her death. Sze Kwong is also silenced. Sze Kwong comes round and surprisingly returns to somewhere in time before the building collapses as the deity has given him a chance to live again! Sze Kwong suspects the building collapse has something to do with property developer Hong Wing-yan and his mentor Ying Yiu-wa. He wants to prevent the disaster from happening. To avoid implicating Cheung Man and Ka-chun, Sze Kwong decides not to recognize his sister and he also does not go out with Cheung Man. He just covertly watches over the duo.

Ten years ago, Tong Waichong and Shum Aoming joined the ICAC together. They were trained together and they were brothers. Aoming was injured in a private act, and he resigned soon after, and has not been heard from since. Ten years later, Waichong has been promoted to the chief investigation officer, and led his subordinates such as Lee Zhunyi to maintain integrity and justice. When Waichong investigates a suspected bank employee corruption case, he discovers that Aoming is involved. It turned out that Aoming, relying on his past investigation experience in the ICAC, helped the criminal group to avoid the investigation of various criminal and anti-corruption agencies for many times. Waichong is distressed that his friend forgot his original intention of joining the ICAC to defend fairness and justice, and vowed to bring the criminal group to justice!

It follows secretary Amelia Wong (Ali), who restarts her life after ending a long relationship. She returns to work, meets new people, and develops a relationship with her boss Matt (Moses). Much like many of the people in her life, Amelia takes initiative to search for a journey—a journey of love, of finding oneself, and of finding one’s dreams.

This is a story about an ordinary person who will go through fire and water to save his beloved wife. Computer engineer Lee Yan Long and his wife Chiu Cheuk Wing have an ordinary, blissful life. One morning, Lee Yan Long and Chiu Cheuk Wing are suddenly kidnapped by the triads. They claim that Lee Yan Long embezzled $100 million from them and demands that he return the money within 72 hours, or else they will kill Chiu Cheuk Wing! While reporting the incident to the police, the perplexed Lee Yan Long encounters his old friends, passionate detective Leung Hiu Yeung and his high-school crush Tong Mei Lan. Tong Mei Lan accompanies Lee Yan Long on his journey to save his wife. After investigating, they find out that this is related to a youth hostel that Lee Yan Long once stayed at. The online trading platform that he had operated with his friends at the hostel has turned into a money-laundering platform. To find the person behind the scheme, the pair investigate each of the former guests who stayed at the hostel. The process brings up events from the past and they hone in on Cheung Chi Kin their target. The deadline to save his wife is approaching. As Lee Yan Long gets closer to the truth, he discovers that Tong Mei Lan, Leung Hiu Yeung, Cheung Chi Kin and even Chiu Cheuk Wing has a side that no one knows about...

MA FU, a retired employee of the HK Correctional Services Department, moved back to live with his son after retirement. MA FU treats and disciplines everyone in his family as if they were the offenders he works with in his job. His youngest son MA CHONG feels like he's in jail when he gets home, and his father is even often involved with his job as a paralegal. The father and son get into disputes daily and his elder brother MA KEUNG and his wife LO LAI SEUNG are often stuck in between and have to settle the disputes. The couple also holds the heavy responsibility of raising their kids. Three generations in the MA family all live together and encounter different situations, experiences and system of values.

The Hong Kong Airport Special Police Unit (ASU) is a special police force responsible for maintaining public and aviation security, counter-terrorism, key personnel protection, disaster support and many other areas. Encountering different situations on duty, they see the joys and sorrow of life that make them reflect on their own lives. With every step forward, they establish a sense of mission as the airport security police.