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.

Former cop-turned-bar owner Kwok and his underachieving half-brother befriends a drunken woman, they soon find themselves targeted by both her former lover, a high-powered attorney, and the gangster he employs. A suitcase full of tainted cash enters the picture as Kwok finds himself torn between the gangsters and his former colleagues.

Stuntman, action director, and martial arts legend Mark Houghton tells his story of breaking into the Hong Kong film industry, his struggle with injuries and depression, and the promise he made his teacher, the legendary filmmaker Lau Kar Leung.

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.

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.

A renowned charity foundation is holding its annual charity party. It’s a glamourous meeting of the foundation’s friends, associates and the city’s most elite socialites. Just as foundation chairman Ko Shing Man is about to give his annual speech to the attendees, Yeung To – the foundation’s chief financial officer - suddenly hangs to his death on the stage. As suspicions surround Yeung’s death, rumors of a missing $200 million charitable donation begin to run rampant, attracting the attention of the masses. The mystery brings barrister Ma Ying Fung and police officer Or Ting Bong together as they form a temporary partnership to uncover the truth behind the foundation’s dealings. Can they expose all the dark truths behind the foundation’s wrongdoings and restore justice?