Star-struck Marcia (Olivia de Havilland) could care less that famed thespian Basil Underwood (Leslie Howard) is vain and discourteous while staying at her family's mansion. "What are manners?" she exclaims. "Little rules for little people." She doesn't know Basil is acting, playing the cad so that she will turn her attention to her devoted Henry (Patric Knowles). And as for the fiery actress (Bette Davis) who is Basil's on-again, off-again fiancee? She might have an unexpected role to play in this loopy charade!