Margaret Miller is a self-styled "barracuda" literary agent whose new client, Shane Velasco, star of action films, is expected for dinner and contract negotiations. Her routine business meeting becomes a comedy playground when her associate (and ex-husband) Hank shows up with his own client, Madame Guadelupe Montevideo, "world famous" hypnotist. When Margaret insults Guadelupe, she turns her fiery temper and flare for the dramatic on Margaret, hypnotizing her into a shy, five-year-old child. Coping with her growing pains are her roommate Janet, a bored executive looking for adventure, and Janet's boyfriend, Dr. Norman Simcovitz, a psychologist who has always hated the adult Margaret's guts. Janet's visiting upper-crust grandparents are the final straw that pushes this comedy over the edge.