Michael is a cop chasing uncommon serial killer Sung Ping, who one day kills off a scummy triad on almost a whim. Liking the aftermath, he proceeds to plan his next few killings much to the dismay of the local triads. Meanwhile, reporter Hak makes the real-life crime drama the fodder for his crime fiction serial. Before long, Ping begins using the fiction to fuel his own plans, and soon Hak is concerned that he may be responsible.

A revolver falls into the hands of series of characters from the bustling district of Mongkok to the mainland port city of Shenzhen.

Adapted from a sensational real-life case in 2013, the intricate story begins when a young man partners with his friend to murder and dismember his parents. Pleading not guilty, the defense attorneys soon turn on each other, as the defendants play the devil and idiot game. Meanwhile, heated debates emerge inside the jury room, where nine jurors grapple with the truth.

When Maise's husband walks out on her, she leaves her baby son in a luxury yacht, hoping that he'll be adopted by affluent parents. Little did she know that its owner Daniel has lost everything in derivative speculation that very day. Four years later, Maise has pulled herself together...

Pu Pu is dumped by her boyfriend whom she loves. Before she moves out, she asks to listen to "their song" just one more time, that is the hidden track by Jay Chou. Then she leaves him and goes to her sister's place in Hong Kong. All the while she is there, she searches for the same song, the "hidden track", and from this it leads her onto a journey of discovering love and a new beginning. Despite the whole movie revolving around Jay Chou's song, Jay Chou plays only a cameo part.

Leaving In Sorrow is a gritty, realistic portrayal of Hong Kong in the aftermath of the Asian Financial Crisis. It is the first Hong Kong production filmed in the "Dogme 95" style, using hand-held cameras, natural lighting, and real locations. The film follows a disparate group of characters--including a pastor, a magazine editor, and a slacker from San Francisco--who find their lives suddenly turned upside down by events beyond their control.