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.

After her fiancee admits to infidelity while on a business trip in France, a woman attempts to get her lover back and marry him by traveling to Paris despite her crippling fear of flying. On the way she unwittingly smuggles something of value that has a charming crook chasing her across France as she chases after her future husband.

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.

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.

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.