Audrey tells Archie that Richard has been trying to kill her all along. Richard is panicking, knocking at Archie's door, asking him to let him in. Archie lets Richard in, Audrey starts screaming so he makes Richard go home. Audrey wants to call the police but Archie makes her calm down first. Audrey realises that Archie does not believe her. Richard goes home and tells Gail what has happened. Gail is distraught. Audrey tries to prove that she is sane by showing Archie how she passed the doctor's memory tests. However, this makes her appear even more insane. Gail phones Archie. She wants to go round but Archie assures her that it would be best if she stays away for now. Richard tells Gail about his experiences with his mother's Alzheimer's. Audrey realises that she was working with Archie w