Touched by an Angel - Season 2 Episode 2 Trust

Monica is a rookie cop, her assignment is to help Zack, who's returning to the force following rehabilitation from a gunshot wound. He's requested a new partner, which upsets his old one, Ben. We see that Zack has become addicted to pills and when he and Monica bust a drug dealer, Mason, he steals his stash. His erratic behaviour causes him to miss Mason's preliminary hearing, and a freed Mason assaults a teenage girl. Zack lives in fear, he has recurring memories of being shot. When Monica reveals herself she assures him that faith is the one armor that bullets can't pierce. Zack helps capture Mason and, armed with new faith, is able to face his addiction and reconnect with his wife.