In a large family, after a trip to the store, another child suddenly appears. He speaks an incomprehensible language and does not know where he came from. But in a family where there is love, this is not important. Gradually, from an undesirable burden, he turns into a beloved family member and returns peace and happiness to the main characters, Sena and Lida.

Sanya is a trucker who combines his main job with stealing cars. He and his wife Anya are expecting the birth of a child any day now. Suddenly, Sanya receives an urgent order: the hijacking of a "Gelendwagen" (or simply "Gelya"). And for the sake of a comfortable future for his family, he agrees, promising his wife to be in time for childbirth. But everything is not going according to plan, and the case turns into a conflict with a criminal gang of premium car thieves. Now Sanya faces a task of increased complexity: not only to deal with criminals, but also not to be late to the hospital.

Liza, a young and optimistic woman, arrives in Saint Petersburg for the first time, enchanted by the city's poetic bridges, legendary embankments, and vibrant bohemian parties. As the day unfolds, unexpected connections form, leading Liza to discover that love might be found in the most unforeseen circumstances.