A boy takes in a stray dog, later finding out that it's an ultra-intelligent runaway from a genetic research lab. Unbeknownst to him, the dog is being stalked by another escaped creature that's not quite so friendly.

A mysterious martial artist is killing martial arts masters with his unique style, Tiger Claw. Two police detectives, who are also martial arts experts, use unorthodox methods to track down the serial killer.

In April 1992, following the notorious Rodney King verdict, the streets of Los Angeles became a battlefield, the backdrop to four personal intertwined stories.