A wealthy businessman is murdered by his unfaithful wife and the secret lover, who conceal his body in the garden. After renting the villa, a bar manager and her boyfriend are plagued by strange occurrences and a series of gruesome murders.

Michael Wong is walking in a circle, he is not only facing a complex human relationship as well as inharmonious relationship with some terrible persons. Those affairs push Michael to the death.

Austin Wai plays Sum, a secret agent posing as the security chief of a remote mining colony where several employees have disappeared without a trace. At first Sum is impressed by the almost superhuman efficiency of the mine's workers, but soon becomes suspicious of the zombie-like manner in which the miners perform their duty. His worst fears are finally confirmed by the colony's resident physician (Deborah Sims), who has been forced to mix a powerful drug into the miners' meals that increases their strength while making them mental slaves of the company. Sum and the doctor prepare to expose the deadly secret, but with every other member of the colony out to get them, they may not live long enough to tell it.

After being thrown out of the police academy, Debbie Fung (Ellen Chan) gets a new chance but instead the proposition is to go undercover. Accepting the mission to get close to tycoon Lau Fuk Tin (Michael Wong) as he's suspected of a number of murders of women, under the disguise of Maryanne, Debbie quickly gets close to Lau. Going so far as getting almost permanent residence with the man, Debbie witness horrific things on the grounds. Despite, affection starting to develop towards her target.

Desperate for money because they owe gambling debts to a mobster, friends Chic and Che begin working for an elderly Taoist master who tasks them with capturing the Banana Spirit.