Masha, feeling sorry for Katya, gives up her own happiness. And although Katya and Alexey got married, something in their relationship is not going well. It’s not for nothing that people say: you can’t build happiness on someone else’s grief. Alyosha still cannot forget Masha. And pregnant Katya realizes that she still loves Kostya... The lighthouse keeper who escaped from prison is hiding from justice: he either barricaded himself in the dock and mined the entrance, or rushes through the catacombs, threatening to blow up the city... Viktor Buravin asks Boris Samoilov for a divorce. Polina, but in a fit of rage he pours gasoline on his office and sets it on fire. Samoilov, covered in burns, ends up in the hospital...