Noir thriller about a criminal seeking redemption by tracking down the daughter of the woman he killed. Along the way he is haunted by his guilt in the guise of the woman's ghost.

Nearly a year after a botched job, a hitman takes a new assignment with the promise of a big payoff for three killings. What starts off as an easy task soon unravels, sending the killer into the heart of darkness.

Joe, a rootless young drifter, finds work on a barge travelling between Glasgow and Edinburgh, owned by Les and his wife Ella. One afternoon they discover the corpse of a young woman floating in the water. Accident? Suicide? Murder? As the police investigate and suspect is arrested, we discover that Joe knows more than he is letting on. Gradually we learn of Joe's past relationship with the dead woman. Meanwhile an unspoken attraction develops between Joe and Ella, heightening the claustrophobic...