Igor invites Sauna and Artem with their loved ones to his father's ranch. The boys will be able to relax, and Igor will finally introduce Nastya to his future father-in-law. Friends pack their suitcases.

On the plane, they get to know a couple of Americans who tell them about a monastery on the outskirts of the city where our heroes will live, a holy place, according to ancient legend, it helps fight infertility. Igor, Artem and Sauna are unanimous - they are not ready for paternity yet. But on a trip to the monastery still go. Despite the warnings of the monk, friends touch the idol, and now they are doomed at the first sexual intercourse to conceive a child. They are surprised – is it to be believed or not? Just in case, they decide to temporarily abstain from sex. The girls, upon learning of the cause of such strange behavior of their loved ones, are offended and leave.

Left alone, the boys decide to be distracted for the full, but here on their way again St. Valentine appears. He is indignant: how could they not benefit from such a blessing? A new spell is born. One in three who will be the first to go to bed with a woman will become a father. The rest will only be able to have children after 10 years. No one could think of such a turn of events. All three suddenly realize that they are ready for paternity ...