The happy marriage of Liz and Peter Rossiter is shattered after Liz is paralysed in an accident. Peter soon finds solace with Honor, his sister-in-law, but when she tells him she is expecting his child he is racked with guilt and turns to drink. When Honor is found murdered with Peter's gun next to her, the police arrest him. Unable to remember his movements he must discover the secret behind "The Rossiter Case".