3-th episode of 3-th season "Line of Duty"

What "Line of Duty" 3-th episode about

DS Steve Arnott believes there is a dark secret in Danny Waldron's past. But while DI Cottan is commended for cracking the Waldron case, the spotlight falls on Arnott's questionable conduct in a previous enquiry.

Episode number: 3

Episode release date: 7 april 2016 at 21:00

Status: aired

Rating: 8.4