The all-female Heroic Trio are Tung (Wonder Woman), Chat (Thief Catcher), a mercenary, and Ching (Invisible Woman). Initially, they're on opposing sides - the invisible Ching is kidnapping newborn male babies for her evil master, Tung is trying to solve the crime (rather more effectively than her policeman husband, who is unaware of her secret identity), and Chat, who was formerly employed by Ching's evil master, is trying to sell her services and inside knowledge to the police. But all three have something in common buried deep in their past...