In 18th century France, Marquise de Merteuil asks her ex-lover Vicomte de Valmont to seduce the future wife of another ex-lover of hers in return for one last night with her. Yet things don’t go as planned.

In this romantic comedy, Paul, a good-looking gym teacher, falls hopelessly in love with Isabelle a very busy, professional fashion designer whose response to him runs both hot and cold, driving him to distraction.

Independent Parisian doctor Annie finds herself in an emotional tangle when she tries to help single-minded HIV-positive patient Laurent and embarks on a brief affair with conceited actor Richard.

American tour guide Mo Alexander misses her tour group, and then her flight out of Paris. Stuck in the city of romance, Mo runs into the very suave -- and very married -- Xavier, who attempts to seduce Mo while his family is out of town. His charms prove hard to resist, and Mo succumbs, though her conscience weighs heavy. Soon their bickering romance of convenience takes a serious turn, and, in spite of himself, Xavier finds he's falling in love.