Margo voices-over the story in the form of a letter to her friend Lyn explaining how her life has drastically changed during her 2-month hiatus. She has switched identities with busty blonde Montana, but for the duration of the movie they use and are called by each other's names. The search for identity is encapsulated in the women's attempts to role-play in each other's identities, resulting in a remarkable conclusion where Margo becomes a submissive, surrendering herself to the more ebullient