A cop suffering from "posterior ulcers" tries to catch a serial killer who seeks out victims with medical problems. One suspect is a man who makes pies from guts, which the cop inadvertantly eats. Eventually the hero cop finds himself tied to an operating table with the killer preparing to deal with his "posterior ulcers"!
as Lei
as Margaret
as Mrs. Chu
as Dr. Chu
as Kiang
as Lei's Mother
as Mortuary Staff Member
as Coroner Tse
as Officer Chan
as On
as Kiang's Father
as Auntie Fung
as Taxi driver
