During a wild vacation in Las Vegas, career woman Joy McNally and playboy Jack Fuller come to the sober realization that they have married each other after a night of drunken abandon. They are then compelled, for legal reasons, to live life as a couple for a limited period of time. At stake is a large amount of money.

Two women, one from the United States and one from the United Kingdom, swap homes at Christmas time after bad breakups with their boyfriends. Each woman finds romance with a local man but realizes that the imminent return home may end the relationship.