A Hong Kong policewoman, Carmen, returns from England and goes undercover as a dancing girl to infiltrate a ruthless criminal group led by the mean-spirited Ma Liang and his fiery new recruit, Chiang. As she gains Chiang's trust, risking her life in intense hand-to-hand combat, he begins to suspect her true motives after a series of botched crimes.

A man, happy in his marriage but enjoying a trip with his wife, indulges in infidelity. On returning from his girlfriend, he wants to end his relationship guilty. But his mistress does not see it that way ...