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.
Smash Head, an emotionally bankrupt cop who began his downward spiral when he accidentally killed a hostage during a shootout.
Kit, an ex-convict who defended his sister from rape, falls for Yee, a wealthy heiress. However, their love is threatened by Yee's mafia-tied family and a debt Kit's best friend owes to the same gang, forcing Kit to make a difficult choice between love, friendship, and justice.
