Tess and Jack's romance is in full throttle. Jo teases him about his nightly sojourns, but Jack revels in his secret alliance with the Sergeant. Then they are called out to attend an attack on a convicted drug trafficker and everything begins to change. Five years ago, Brad Eckhardt killed a local high school student with a bad batch of ecstacy. Having served his time, Brad is back in town to nurse his sick mother. With Brad's promise that he's changed his ways, the last thing mother or son want is the past coming back to haunt them. But grief does not forget easily, and the victim's father is determined to make Brad suffer. When a report comes in from a local high school that someone is dealing ecstacy, Jack assumes Brad Eckhardt is dealing again. Once a pusher, always a pusher. Jack goes in hard, using threatening tactics and inciting locals with inflammatory comments about Brad. Then Brad's mother is assaulted outside a supermarket, and Tom—incensed by a town vendetta—lays