Camilla Sternwood appears to be grateful to Marlowe and asks him to teach her how to use the gun he just returned to her so that she can protect herself. He takes her to a wooded area so she can learn. After he sets up an empty can on the ledge of a wall of the ruins of a Roman castle for her to use as a target, she points the gun at him and begins pulling the trigger repeatedly. Marlowe was prepared for this and had given her the weapon loaded with blanks. She becomes hysterical at the ruse and he takes her home. It turns out that the emotionally disturbed Camilla had murdered her sister's husband Rusty and that Charlotte had covered everything up with Eddie Mars' help.