Watch Martial Law II: Undercover full movie online free. 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. Stream Martial Law II: Undercover movie online with subtitles.