Ann and Allison are twin sisters with diametrically opposed personalities. Mousey Allison agrees to help sexy, dynamic Ann play an elaborate trick on Ann`s fiance, Davis, and switches identities with her. As Ann, Allison finds the confidence to flirt with Davis`s friend Spencer, and eventually to engage in some passionate kissing. It`s a messy case of mistaken identities that results in hijinx and, eventually, true romance.
