Though Louis agrees to attend his brother’s bachelor party, he is not particularly interested in the planned activities or cleaning up after the drunken groom-to-be. But as the night’s events get wilder he is forced to decide how much he can tolerate.

Making the most of the family home while her parents are away, 22-year-old Nicole is enjoying a peaceful summer with her best friend Véronique. But when Nicole’s older brother shows up with his band to record an album, the girls’ friendship is put to the test.