Ivan and Vera are a young married couple. Both successful in their work, they live in a luxurious villa with their daughters, Petra and Vanja. Aleksandar is their best friend, an architect, as well as Vera's work colleague, who regularly spends time with Ivan and Vera. Aleksanadar and Ivan are friends from childhood, they often go out to nightclubs where Ivan leads a double life. Everything will change one day when the surprising proposal Alexander makes to Ivan does havoc in their lives.