Line of Duty
Fahrenheit
S1 E1:
When a counterterrorism raid goes wrong, DS Steve Arnott refuses to join the cover-up. Cut off by colleagues, he transfers to an anti-corruption unit that's investigating one of the force's most respected officers, DCI Tony Gates. A devoted family man, Gates has a secret he wants to keep that way, but one lie may expose him to the greatest risk of his life.