With Polina leaving for Buravin, everything in the Samoilovs’ house went topsy-turvy. Boris Samoilov, son Kostya, abandoned his affairs and drank bitterly, in order to earn money for his wedding with Katya Buravina, he helps the lighthouse keeper escape from the pre-trial detention center. And Alexey, because of his carelessness and gullibility, loses Masha - she finds the groom in Katya’s arms and doesn’t want to hear anything more about the wedding. It turns out that Katya Buravina is to blame for everything. But it’s not sweet for her either: Katya is going to marry Kostya, but she loves Alexei...