March 1967. A country fair turns sinister when young bus conductress Jeannie Hearne is found brutally murdered in the Oxfordshire countryside. DC Endeavour Morse (Shaun Evans) isn’t part of the team called in to investigate her murder; instead, he’s brooding over his suspension from duty, pending an inquiry. But when Jeannie’s body turns up near his doorstep, he begins his own covert investigation, uncovering a disturbing secret that is hidden in plain sight.