This is an important day for Marc Chanois, an insurance advisor heading toward middle age its his fiancée Sabines birthday, her parents arrive in Paris and Marc will meet them for dinner to announce the engagement (her father cant stand him), hes bought Sabine a Spitfire, and his most important client is to sign a policy. But, as the day wears on, hes vexed by an incompetent secretary, the unexpected return of a girlfriend he hasnt seen in five years, squatters who use his office at night, the jealous former lover of a flight attendant who lives in the building, and his bosss unexpected return from a Swiss clinic. Will he reach Sabine in one piece?