Martial Law II: Undercover 4K 1991

Sean Thompson loved working with Billy. They were both cops, but if the gangsters could figure Sean out almost immediately after the first "friendly" conversation, then to "figure out" Billy, anyone had to work hard: first, Billy was a lady, second, quite pretty and fragile in appearance, and third, she knew the art of hand-to-hand combat better than many big men.

Sean was happy with that partnership, and it was Billie he called for help when, in his new job, he discovered that the Mafia had bought everyone and everything, including many of the cops...