The story revolves around a military surgeon named Gleb Kaverin, who is both a cynic and a romantic. After a business trip to Africa, he boards a steamship to his hometown of Nizhny Novgorod. During the sea voyage, a pregnant celebrity on board starts feeling unwell. Evgeny Dobrovol'sky, the head of a perinatal center, is also traveling with the girl but is unable to help her. Kaverin takes the initiative and saves the girl. As it is known, no good deed goes unnoticed...