Martial Law II: Undercover

The name of this movie is Martial Law II: Undercover released in 1991-10-01 and it's main theme is Sean and Billie are undercover cops and martial arts masters. Investigating the death of a cop, they uncover a deadly ring of murder and corruption at a glitzy nightclub where the rich are entertained by seductive women and protected by martial arts experts. Billie goes undercover to infiltrate the crime ring, leading to an explosive finale..