Iris and Gabriel have just got home from a make-or-break holiday. But a shock awaits them. One of their dearest friends, Laure, is in their house - sleeping in their bed, wearing Iris' clothes, even rearranging the furniture. She has walked out on her husband - and their good friend - Pierre over his confession of an affair.Iris and Gabriel want to be supportive. But as Laure's mood becomes more unpredictable, her presence begins to unravel secrets in all their pasts - until things reach breaking point...