Nathan grows suspicious when an unexpected visitor arrives at the farm, looking to rent their barn; Johnny reconnects with his old friend Rhys, who is now a drug dealer, and is tricked into drug running to pay off a debt.

Tensions rise as Rhys's boss, Kenny, confronts Johnny and Sadie about being short; Kenny follows them home, leading to an assault with deadly consequences.

After learning Kenny has gone missing, the police decide to raid the front for his drug operation; PC Crowther gets an anonymous tip about a burnt-out car at the quarry, and her suspicions rise when Nathan shows up at the scene.

Knowing Nathan interfered with her eyewitness's account, Crowther stops at nothing to find out what happened to Kenny; Nathan, Eva, and Caleb try to thwart Crowther's investigation.