by Sébastien Thiéry et Vincent Lobelle (France, 2017, 1h59, vostf)

starring Christian Clavier, Catherine Frot, Sébastien Thiéry, Pascale Arbillot

Out of the blue, Mr and Mrs Prioux, a middle-class couple in their fifties, are visited by a young man, Patrick, who claims to be their son. This strange boy whom they nickname Momo has come to announce his engagement. Yet the Prioux never had any children...Is Patrick a pathological liar? Or is he a hidden child? A rejected son? Has Mrs Prioux, who is sad that she is not a mother, invented a son for herself?