Mamai expels Foma for failing to modern realities. Foma comes up with a plan for the return: get a teacher in a school where a child learns Mamai, wriggle to the child's confidence and thus recover in the eyes of Mamai. Foma arranged fizruk, met with the class where a child learns Mamai and with teachers, immediately falling in love with Tanya - the homeroom teacher of the class.