Cousins Thomas and David, owners of a mobile restaurant, team up with their friend Moby, a bumbling private detective, to save the beautiful Sylvia, a pickpocket.
During their last (botched) operation, Hong Kong cops Ho Ting-Bon and Long Man accidentally cause the slight head injury of a pretty young woman. Because she has entered the country illegally and has no other place to live, she pretends that she has amnesia and that she thinks Ting-Bon is her husband. He feels guilty about her "condition", so he lets her stay in his house. But there is someone from her past stalking her, with bad intentions...
Chik (Philip Chan), Lucky (Michael Wong), Chi-to (Waise Lee), and his ex-girlfriend Ngao (Carrie Ng) who he is still sweet on but is married to Lucky now, are aiming to make a score on a deal with a Taiwan triad when things take a turn for the BLOODY because Chi-to's cousin, who arranged the deal, set them up.
