Set in 1950's Scotland, Ewan McGregor stars as Joe, a young drifter who finds work on a river barge owned by the down-to-earth Les and his enigmatic wife Ella. One afternoon Joe and Les happen upon the corpse of a young woman floating in the water. Accident? Suicide? Murder? As the police investigate the case and a suspect is arrested, Joe embarks on a secret, lustful affair with his employer's wife, all the while hiding the fact that he knows more about the dead woman than he admits. A resonant, haunting and steamy drama, starring Ewan McGregor, Academy Award winner Tilda Swinton, Emily Mortimer (Mary Poppins Returns), Peter Mullan (Children of Men, War Horse) and Rory McCann (Game of Thrones).