44 years old Tanguy is devastated – his wife Mei dumped him. So he does what everyone does and…goes back to his parents ! With Zhu,his teenage daughter, he moves back with Edith and Paul. The concerned parents immediately welcome their offsprings. As weeks go by, Edith and Paul realise that Tanguy and Zhu are here to stay. The family nest is way too confortable, Tanguy and Zhu are settling home. Edith and Paul struggled to kick Tanguy out 16 years ago. And now it is the same situation all over again. This time, they will play dirty… No half-measure !