Rivale

Nine-year-old Roman follows his mother Oksana to Germany where she is working illegally. She is living there with the 62-year-old widower Gert who suffers from diabetes. Gert tries to make friends with the boy, but Roman struggles for his mother's attention. When Oksana suddenly falls ill, Roman is left alone with his rival. Gert turns out to be a good playmate until he dies in an accident. Roman is all alone and can now live out his wild curiosity and longing for freedom. - IMDb