Line of Duty

Steve Arnott, a young officer, finds himself at odds with his higher-ups after he declines to participate in concealing the details of a mission that resulted in the death of an innocent father. His principled stance makes him a perfect candidate for AC-12, a unit dedicated to rooting out police corruption. As he joins the team, they begin their probe into Detective Chief Inspector Tony Gates, who has been honored as the regional force’s Officer of the Year.