Vince and his wife Marie-Clarence are preparing to celebrate Christmas with their lousy friends, as they do every year in their Norman house. This time, James is accompanied by two beautiful girls, Tracy and Lina, and Joss comes with Cherry: everyone celebrates when the bell rang unexpectedly. Gonzaghe and his wife Beah appeared in the doorway, their car broke down and they wanted to find out where to find the hotel. As a good housewife, Marie-Clarence invites them to join them.They could not imagine what a vicious evening awaits them ...