The Sister 

The Sister  

The Sister is ITV’s four-part murder mystery, written by Neil Cross (Luther, Spooks) and inspired by his novel Burial, follows a man attempting to escape the (potentially literal) ghosts of his past. Nathan is a well-meaning man who’s spent years trying to atone for a terrible secret from his past, but a decade into his new marriage he’s visited by Bob, a figure from his old life.