Publisher's Synopsis
Amanda Lemon (Mary-Kate Olsen) and Alyssa Callaway (Ashley Olsen) look identical, but come from wildly differing backgrounds. Amanda is an orphan looked after by social worker Diane (Kirstie Alley), while Alyssa's wealthy, widower father Roger (Steve Guttenberg) is about to marry a high society beauty. When Amanda and Alyssa meet by accident, they decide to swap places, and contrive to get Roger and Diane together, seeing that they would be a perfect match.