Passengers on a low cost flight from Djerba to Beauvais have their patience tested to destruction when their departure is delayed for eight hours because of a fault with the plane's air-conditioning. In the end, they are so fed up that they will do almost anything to get back home.
Marion and Mingus both come from failed relationships but, by bringing their children together, they've managed to form a small yet happy family. Tensions in their household soon begin to spike when Marion's jovial father shows up on their doorstep with his randy daughter and her peculiar boyfriend in tow. As the motor-mouthed houseguests shatter every taboo imaginable, the happy couple begin to question their commitment.
