Pong Cheuk-Lam

Wicked ninja drug lords do their darnedest to prevent a scientist from making public his newly developed cure for heroin addiction.

A private investigator and a police inspector team up to pursue a notorious mobster, who is plotting to milk an old millionaire out of his highly-valued stocks and bonds. Along the way, the investigator crosses paths with a femme fatale and silly gangsters.

Two people in debt to loan sharks cooperate with each other to clear their debt and cheat other people out of their money.