Samantha Eggar commits herself to a mental institution in order to understand her role as an insane woman in an upcoming play. The only problem is that she and her director have convinced the facility so well that she's crazy that they don't let her out...and eventually her director/lover stops visiting her as well, which makes her suspicious that he's trying to get rid of her. Well, he is. While she was in the mental institution he continued to plan out his masterpiece play and is ready to cast it with a new actress. Eggar escapes from the mental asylum just in time to crash this casting call, which he is holding at a secluded house out in the country. Soon, the five actresses start disappearing-killed in gruesome ways by a killer in a wrinkled old age mask. Is it Eggar, bent on revenge? Or is it someone else? One of the better slasher movies of the 80's.