Kai Cheung-Lung

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 violent fugitive on the run from the law makes his way from Hong Kong to South Africa, where he discovers that he's immune to the Ebola virus, and later returns home to spread the deadly disease.

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.

The second chapter of the "Troublesome Night" series, this movie consists of three stories. The first story is about a girl that called a radio show for advice and comfort after her boyfriend died tragically. One of the station DJs unconsciously suggested that she should commit suicide if she wants to be reunited with her beau. Unfortunately, the girl takes the suggestion and the DJ becomes racked with guilt as the girl's ghost returns to haunt him. The second story is about a group of friends voyage to the sea. During the trip, they encountered mysterious events after they rescued an eerie woman from a boat wreckage. The third story is about another DJ that quit his job after the untimely deaths of his co-workers. To escape the pain, he becomes a street racer. But, his thrill rides were hindered when he stumbled upon a sinister spirit by the roadside

When an honest company employee is falsely accused of being an accomplice to a robbery, and his wife dies through police incompetence, he seeks revenge by launching a one-man crime spree, starting with the abduction of his former boss's spoiled daughter. But she soon begins to understand his motives, and becomes his lover and willing accomplice.

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?

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.

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.