Mel Gibson plays Porter, a ruthless criminal, who is gunned down by his wife and friend after they rob an Oriental gang. When Porter survives the attack, he makes it his mission to exact revenge on his friend, who has used the robbery money to buy his way into a powerful syndicate. Added to the mix are crooked police officers, members of the syndicate, and the Oriental gang, who are out for a bit of revenge themselves. Bloody and violent.