The regular life of Tolya from Siberia is coming to an end: his wife is pregnant. Fearing the weight of responsibility he runs away to work on a shift. However, things don't go as planned. While on a train journey, Tolya meets a homeless boy Kolya. Due to a series of coincidences, wrong decisions, and the cunning of the young boy, Tolya is mistaken for a child kidnapper, and now the police are on his trail. Tolya finds himself playing an unexpected role of a nanny and tasked to deliver his new ward to his relatives in the town of Kogalym. Failure isn't an option, as it would cost him everything: his wife, job, and the future.