The Loch

Episode 4 (1x4)

Air date: Jul 02, 2017

Craig Petrie becomes a suspect in both murders, and Blake assists in questioning him. However, he quickly turns the tables on the police and casts doubt on Leighton's innocence. Annie investigates his claims further, and her loyalty to Leighton is shaken when she discovers his alibi is a lie. Smilie tries to comfort Jonjo's father, but is rejected.