Following his confrontation with the nefarious DOA organization, Ken (Chow Yun Fat) is looking forward to going back to enjoying his retirement. His rest is cut abruptly short when his protégé Vincent (Shawn Yue), who's now working for Interpol, asks for Ken's help in taking down the real mastermind behind DOA, Aoi. The two head to Thailand, where DOA's former chief accountant Mark (Nick Cheung) has escaped with his daughter.

In 1980s Hong Kong, troubled youth Chan Lok-kwun, a mainland refugee, struggles to survive in the Kowloon Walled City by joining underground fights. Betrayed by crime boss Mr. Big while trying to buy a fake ID, he steals drugs from him and seeks refuge in the Walled City, where he encounters Cyclone, a compassionate yet authoritative crime lord.

Two contract killers target a human trafficking gang in Hong Kong. When their mission spills into the streets a young girl becomes drawn into a brutal and bloody battle that changes the path of her fate.

After suffering life changing injuries in the line of duty, bomb disposal officer Fung turns his back on the police. But when a devastating series of bombings sweep Hong Kong, the police suspect their former ally may be involved after he is found unconscious at a crime scene. Now faced with memory loss and recalling only fragments of his former life, Fung sets out to uncover the truth and find out who he really is.

When a terrorist who specializes in explosives takes hold of an underground tunnel, he threatens to kill hostages if his demands are not met.

Fai and Yi are an ordinary couple. When Fai becomes a quadriplegic after an accident, their lives face a drastic change with Yi becoming a full-time caregiver amidst financial difficulties. Yi eventually resorts to prostitution to make ends meet. Every time a customer comes, Yi hides Fai in the kitchen and have sex with the stranger in the living room. The couple’s dynamic changes as Yi vents her anger by abusing her husband, while Fai finds new meaning of existence through the pain and a macabre way to fulfill his duty as a husband. Alternating between desire and emotion, the couple floats in the river of desire, struggling to survive.

A vigilante serial killer in Hong Kong leaves ominous death notices, prompting the police to launch a special task force to uncover a hidden conspiracy.

Ho Sau, an undercover agent, has been working with Yau, a drug lord, for years, but his job and family are in trouble.

A chief inspector in the anti-narcotics unit holds true to his beliefs as a police officer. He puts everything on the line to crack down on drugs and to bring drug traffickers to justice. How will our hero resolve this "bursting point" crisis?