In the life of each parent, sooner or later, there comes a moment when the wife flies away for a well-deserved rest and he is left alone with his own child. It would seem – nothing complicated! This is how Igor, Artem and Sauna thought, not even suspecting what waterfall adventure would cover them with their heads. Exhausted by the charms of parenthood, the boys meet their old friend Valentine. While relieving the stress of a bottle of whiskey, the boys are joking about dreaming that their children will become adults more quickly. And in the morning, shocked daddies understand – their dream has come true and now they will understand on their own skin what the saying goes: Big kids are big problems...