Desc: Lao fu zi: Directed by Tit Lee. With Betty Ting Pei, Tin Leung, Sylvia Lai, Tung-Kua Ai. Old Master Q and Shorty run a pawn shop. One day, two men steal a diamond ring from a rich man, stitch the ring into a coat, pawn the coat, and hide the pawn ticket in a nearby dispensary, planning to steal the ticket later.