Against the backdrop of neon lights in Hong Kong, there is a hidden dark side that nobody knows - the city is the hub of narcotics from all over the world. Rewind ten years and Narcotics Bureau has apprehended Man Wah, aka Drug Lord
While on patrol duty, EU sergeant Ling Sun-fung and her team are called to assist a criminal chase. A gun battle erupts and Sun-fung loses her father, who dies from a stray bullet to the head. Sun-fung continues the pursuit, but a strange natural phenomenon suddenly turns her away, taking her back to April 1—three days prior to the incident. Realizing that she has travelled back in time, she uses this opportunity to save her father's life. Village chief "Ditch", an informant for the ICAC, discovers Sun-fung's special ability and teams up with her to investigate a corrupted cop. Unfortunately, their persistent disruption to the timeline causes severe butterfly effects, with unsettling consequences.
This is a drama about Hong Kong's working-class man, Hung Chau-sang. After rescuing multimillionaire Mao Tin-tok's life by chance, Chau-sang is offered a job in his company. Unfortunately, Mao is mean, and Chau-sang is not given high-level work. To save face with his father, Chau-sang lies about his job position. Mao has two wives, who are always arguing, while Chau-sang's sister is a nurse who ends up with her childhood friend. Chau-sang falls in love with Mao's daughter, but they face opposition from Mao. When Mao and his business partner are kidnapped by a gang, Chau-sang and his family work hard to rescue them.
Big brother KWAN KA ON (Michael Miu) is an interior designer and his wife SZE LONG KIU (Sonija Kwok) is a modern housewife. The couple had always only hoped for a peaceful family, but because ON had to rescue second brother KWAN KA HONG (Oscar Leung) and help him get through the troubles of his failed business, not only does he put his career plans aside, his wife KIU also had to go back out into the workforce. His younger sister KWAN KA LOK (Linda Chung) didn't want to burden her big brother any further, so she turned to her supervisor KO WAN JIM (Michael Tse) for assistance. However, the relationship turned into unethical interaction. LOK's boyfriend TING KOON FUNG (Ron Ng) was angered by her doings and wanted to break up with her. Fourth brother, KWAN KA WING (Him Law) lives his life from paycheck to paycheck. He would rather spend his monthly salary than to take up the responsibility of owning a home....ultimately, a nightmare starts in the KWAN family.
YUEN (KWONG WA) was born in a royal family and he rejects black magic. In contrast, KAM (FAN SUI WONG, TERRY), who is from a poor family, is obsessed with it. When the power of black magic is proven again and again, YUEN slowly changes from doubting to believing in it.
WAN (YEUNG SZE KI, SHIRLEY) is YUEN’s promised wife before he was born. She is willing to live a simple life in a quiet town with YUEN. Before they get married, YUEN succeeds in releasing his spirit from his body and makes a journey to the world of the gods. However, one day in the world of the gods is equivalent to seven years in the human world. KAM and WAN keep his body intact. Meanwhile, they start falling in love with each other...