Alex McKnight swore to serve and protect Detroit as a police officer, but a trip to Motown these days is a trip to a past he'd just as soon forget. The city will forever remind him of his partner's death and of the bullet still lodged in his own chest. Then he gets a call from his old sergeant. A young man Alex helped put away--in the one big case that marked the high point of his career--will be getting out of prison. When the sergeant invites...