After suffering a head injury during the Blitz, an actor comes to believe himself to be the Brighton Strangler, the murderer he was playing onstage.

During WW II, one of the hits of the London stage is a play about a murderer who strangles his victims. The actor who plays the strangler identifies so strongly with his part that when he receives a blow to the head during a bombing raid, he believes that he actually is the strangler.—Anonymous