When 27-year-old image consultant Poppy Ross discovers that her handsome and seemingly devoted husband Parker is having an affair, she is dumbfounded. Before she has chance to confront him, however, he is struck by lightning. When he regains consciousness, he has lost his short-term memory - including that of the affair. Given a chance to erase history and possibly save her marriage, Poppy decides to remake herself in the mistress's image, so that Parker might never be tempted to stray again. Her quest to become his perfect woman has disastrous and hilarious results - and just might turn out to be the worst thing possible for their relationship.