Kate and Richard, though divorced, they remain together in friendly relations. In return they are united by the bankruptcy of the pension fund, which years ago entrusted their savings. When it turns out that the owner decided to pay his fiancee worth $ 10 million diamond, former spouses decide to get into his luxurious mansion on the Cote d'Azur and steal a precious jewel. Each of them, however, thought about how to outwit the former partner.