When a little girl is kidnapped by a trafficking ring, they soon find they messed with the wrong child. Her mother, a notorious former gang leader, is close on their trail and will go to any lengths to bring her child home.

Bi, a Vietnamese country girl, survives a brutal childhood and escapes to Saigon. There, she is recruited by the mysterious Mrs. Lin, who trains Bi and her new friends Thanh and Hong in killing and sensuality to take down Hai, a Saigon crime lord.