Line of Duty Season 3 Episode 4
Lindsay Denton is taken to AC-12, where she demands a formal apology. She reveals she has a recording of herself and DS Steve Arnott in a compromising situation that she will use against him as evidence of perjury if they do not comply with her requests. Denton is forced to work as a supermarket cleaner and later entraps an exploitative parole sponsor trying to pressure her into sex. Arnott – who is losing confidence within the department – eventually meets with Denton and asks for help in finding the link between Sands View and Tommy Hunter.