In 1970s Hong Kong, rapacious landlords try to evict 72 tenants but sworn brothers Ha Kung and Shek Kin help the group of 72 defeat the landlord and landlady and coincidentally rescue Pinky from a planned forced marriage. When both sworn brothers fall for Pinky and propose to her, she flips a coin heads or tails, they both cheated during the toss but Ha wins her hand in marriage.