A retired cop is summoned by his former boss to save his kidnapped son from the hands of a deadly Japanese triad.

TC Lee, a senior policeman whose mounting debts are making headlines in the local press. Lee's not the only person in trouble at his police station, where a handful of colleagues are paying off the bank or worse, are becoming locked into repayments to gangland debt collectors. When Lee and his colleagues become caught in the loan sharks' spiraling interest charges and organized pressure tactics, they become vigilantes and fight back.

Despite both their desires to meet a future partner, Yan and Kong develop an animosity toward one another after a troubled meeting during 'Affinity Day'. Soon after, Kong is murdered by gangsters. Two weeks later, Kong comes back in the form of a ghost to ask her to help him prevent his own murder by traveling back in time.

Fai Chuen is a young man who wants to rise in the triad of Hong Kong. He's tough; he's respected by his friends; he loves Apple, daughter of his boss in the small-time Hung Lok gang in Wanchai; and, he encourages the studies of Chun, the son of his mother's closest relative. When Chuen comes to the attention of Piu, a top triad boss, the Hung Lok gang is assigned a hit; Chuen commits the murder and then is frustrated when Apple's father takes the fall. Chuen's cockiness gets him in trouble again when he disobeys Piu to revenge a friend's death. Chuen, who's reached the police bulletin board's most wanted, is now expendable. Can he and Apple escape to the Mainland?

A body is found inside a water tank a top of an apartment building. It's not a hard case to solve for Danny Lee and company.

A tale of a single mother trying make ends meet.

A fake documentary that takes a hidden camera look at Hong Kong's sex industry.

An aspiring Hong Kong actor slowly realizes he must pay his dues before achieving success.

A happily married man contracts the AIDS virus and must deal with the mental and physical anguish of this infectious disease. A dramatic look at AIDS and its effect on modern day Hong Kong.

The "walk in" of the title refers to one person allowing another's soul to take possession of his body at the time of death.