When a cop goes down, his partner gets dangerous.
In this gripping portrayal of actual events, we see both the inner and outer conflicts of Los Angeles best cops, as they struggle to heal their wounds and once more form a cohesive fighting force after one of their 'family' is brutally killed.
Lieutenant Ray Wiltern heads up one of the six undercover narcotics squads in Los Angeles. Wiltern's unit beats them all, Ray knows the territory, he has an unbeatable team and a great partner in Tommy Quinn.
One night everything changes for this fiercely loyal drug squad.
Based on a true story 'A Cop for the Killing' showcases a heroic group of policemen who confront and match their sadness, loss and vulnerability against their professional desire to rid Los Angeles of an insidious drug ring.