Investigating the mysterious death of a colleague, LAPD cops Sean Thompson, who is now a detective, and "Billie" Blake begin to uncover a deadly ring of murder and corruption. Their search leads to a nightclub, where the rich and powerful are entertained by a stable of beautiful girls and protected by martial arts experts hired by a ruthless crime lord. When Thompson is called off the investigation by his commander, Billie goes undercover and infiltrates the ring on her own; soon, both are facing impossible odds in a climactic battle.