Episode 8 (S03E08)

Callum and Ryan are shocked when they find a young man dead on the beach. Is this a stag do prank gone tragically wrong? When Jo discovers that the dead man had been socialising with Louise Halbridge, she spots an opportunity to turn the heat up on her enemy. But Louise fights back and, discovering that Jo and Callum are in a relationship, forces Jo to make a heartbreaking decision. (BBC iPlayer)