The Hua company makes drugs under the disguise of a chemical plant. The wastewater from the plant has polluted the fishery owned by Deannie Yip, who decides to sue the chemical plant. Hired by the Hua company, Jackie Lung (Jackie Chan) uses his chance at work to pursue Miss Yip’s cousin Wen Meiling (Pauline Yeung). Wong (Sammo Hung), Jackie’s dealer friend, is hired to purchase the fishery. He moves to live next to Miss Yip to pursue her. Tung (Yuen Biao), is a psycho who is skilled at stealing at night. When he is trying to bug Miss Yip’s apartment, he comes into confrontation with Jackie and Wong. ...

A situation comedy revolving around two roommates and their increasingly complicated love affairs....