Yeung Pik Sum suffers from Schizophrenia and her illness causes her son, Yip King Fung, to suffer from Dissociative Identity Disorder. King Fung’s split personality, Chu Kei, becomes a handwriting expert and criminal profiler, who helps King-fung, an undercover agent, to uproot a criminal organization. However, a series of strange cases makes King Fung a murder suspect and his younger sister to be traumatized. Feeling guilty about abandoning her children, Pik Sum becomes a mental hospital assistant to protect her daughter, but she is unable to reconcile with King Fung... Superintendent Lip Shan invites King Fung to join the Special Crime Unit. Together with psychiatrist Wai Yui Kit, bomb disposal expert Yau Ngan Sing, forensic anthropologist Fong Yuen Chin, they deal with criminals with abnormal psychological conditions and solve complicated cases.

The organization to which agent C9 Yue Siu-Kiu belongs is eradicated. Lonesome Siu-kiu encounters vegetable vendor Ko Tai-king. After getting married, she takes care of her father-in-law Ko Au, big sister-in-law Ko Ching-lai, younger brother-in-law Ko Tai-kiu and stepson Ko Hei-long, who collectively make up a dysfunctional family. She has become a proper housewife after five years. Siu-kiu’s former partner B3, who had escaped death, abruptly shows up to ask Siu-kiu to help find the culprit behind the demise of their organization. While Siu-kiu is keeping Tai-king in the dark, she simultaneously takes care of her family and carries out spying activities. But she does not perform well in either job. Black Hole, a terrorist group, goes after Siu-kiu as her identity is exposed. To protect her family, she bravely confronts Black Hole. Some shocking truth is also uncovered in the process, forcing Siu-kiu, Tai-king and their chums to engage the terrorists in a duel!

An indefatigable and boastful woman, Mandy Mak, wants to be a wedding etiquette guide after she gets the axe, simply for its simple job nature and attractive income. Chong Sze-tim, an expert in the trade, declines to take her as a student as she sees through Mandy’s motive. Mandy will not yield though. She tries her best to please Sze-tim’s younger brother, Chong Sze-chai, and his wife, Phoebe Szeto, who employ her as a coordinator in their bridal wear company. When Mandy meets a wedding photographer through the company, her view on life changes.

Does every verdict reveal the truth? Inescapably, the attorneys in this procedural legal television drama, of varied personalities, tell their own story in the legal proceedings of the complicated cases that bring them together. Barrister Keith Lau’s ambition knows no limits. He would do everything he could in order to win a case, even if it means putting himself at risk. His good friend Wallace Cheuk runs a law firm, but has no court experience, until Mavis Hong joins his firm. Their good friend James Wai is a down-on-his-luck lawyer who is financially dependent on his mother: but when a thorny case comes his way, it looks as if his luck has finally changed.

When the boss of a ruling Hong Kong triad is arrested and executed in China for counterfeiting money, mayhem ensues as the mob's leading contenders circle the throne.

Moonlight Resonance is a 2008 grand production HDTV drama by TVB. It is a spiritual sequel to 2007's award-winning series, Heart of Greed featuring most of the original cast members. The series is written and edited by Cheung Wah-biu and Sit Ga-wah. Sponsored by Kee Wah Bakery, the series began broadcast on 28 July 2008. Its final episode was the highest rated TVB episode ever at 50 points.