While one tough woman with an invisible robe has stolen 18 babies for her powerful master, two other tough women and the cops try to stop her.

Set some time after the original 'Heroic Trio' the city has been devastated by nuclear attack. An evil deformed villain controls the city's scarce water supply, exerting influence over both a popular leader and a militarist colonel.

Wonder Seven, a secret group of well-trained government agents in China, has been assigned a case of a computer disc robbery. At first everything seems to go smooth, when a disastrous national conspiracy unravels. Seven gets caught and are forced to strike back. Meanwhile, the leader of Seven, Yip, develops a forbidden romance with a mysterious Japanese lady...