 While on an undercover infiltration mission, Denver police detective Christian Box has to use some drugs, and is believed by many to have become an addict; it goes wrong, and his wife, also in the operation, is killed; he gets the blame, but thanks to Lietenant Blake he isn t officially charged,  just  reduced to desk work. Two years later he grabs a unique opportunity to mount a new, dodgy undercover operation which should constitute his revenge against the crime family...