Within a few years, petty crook Chiu rises to gang leader. But his professional ambitions are actually quite different: he wants to leave illegality behind and make a career for himself and his lover in Canada... as a chef. However, this craft must first be learned and Chiu's talent in the field of cooking leaves much to be desired.

Plainclothes policemen Brian and Mike use an elderly woman's apartment for surveillance, hoping to catch a fugitive gangster. They develop a warm relationship with their hostess, whom they call "granny." Meanwhile, each man develops a romantic relationship: Brian with a strange wandering teenage girl, and Mike with a pregnant woman at the dry cleaning shop. When the gangster returns to his flat, Brian and Mike are forced into an explosive confrontation.

A man re-evaluates his life after being given a second chance. When seedy cop Liu Chen-hai is shot, he is forced to do some soul-searching about his old life.

As an epidemic of a lethal airborne virus - that kills within days - rapidly grows, the worldwide medical community races to find a cure and control the panic that spreads faster than the virus itself.

A man kills an assassin by accident and when he gets out of prison, the victim's brother attempts to avenge his death.

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.

Don Lee, a reformed ex-assassin, refuses to assassinate a politician for his former boss. His best friend Max commits the hit and frames Don, forcing him on the run from both police and criminals to clear his name.

After being haunted by evil spirits inside a residential building, a security guard seeks help from a mysterious exorcist, who turns out to be an escaped mental patient.

Rookie Sergeant Lee is injured in a shoot-out and is assigned to the dubious-sounding Miscellaneous Affairs Department (MAD). There, he is paired up with Inspector Wong, a jaded and alcoholic veteran who explains that MAD’s role is to answer supernatural calls. Wong explains MAD’s rule number one - there are no ghosts. For every seemingly inexplicable phenomenon, there is a corresponding scientific and rational explanation.

The S-Files: Sex Van · Samuel Leung Cheuk-Moon · Wong Kam-Tong · Samuel Leung Cheuk-Moon · Chan Chung-Wai.