Dianne has not had time to herself lately, so Lou gives her the address of a spa that he visits often to get away for the weekend, and she can get a 50% discount as long as she mentions Lou's name. While she is there, Dianne gets a shock when she discovers that Lou has arrived at the spa on the same weekend with his new, much younger girlfriend, she then meets a charming man (Robert Klein), who happens to have multiple personalities. Meanwhile back home, Brian takes care of Angela and Mary Margaret for the weekend and must tend to little sister Mary Margaret's scout meetings since Dianne is away, and has to look after Angela, when she catches a cold at the same time she has the weekend off from practicing and playing tennis.