The 11-year old Jakub is living in a children's home, when he is picked up by his father. The father has been "away" for four years, the boys mother doesn't want the child. Jakub gradually finds out, that his father is hiding a secret from him. But they gradually manage to build a warm relationship and a promising new life in the city.
This comedy is about one average family. The father works as master in the factory and his son is studying on high school. One day father must start to visit the evening school. It's the same school as his son visiting. The lives both students are connecting together. The son must teach the math and physics his own father. The father getting to know, that the life of the students is not simple as he supposed.