Martial Law II: Undercover (1991)

Sean and Billie, skilled undercover officers with martial arts expertise, delve into the mysterious murder of a fellow cop. Their investigation leads them to a lavish nightclub, a hub of intrigue where wealth meets vice, and deadly corruption thrives. As Billie assumes a new identity to gain access to the criminal network, the stakes rise, culminating in a thrilling showdown that promises explosive action. With danger lurking at every turn, their commitment to justice will be tested in ways they never anticipated.