 At this time, Petrov and Vasechkin arrive in the camp, who come there not on their own will - during the summer holidays they just want to rest, and the camp program with numerous sections and circles makes them depressed.Nevertheless, for the joy of the children it turns out that the head of the camp is their class teacher Inna Andreevna.Dobkin and Bobkin decide that Vasechkin is that hooligan, and Petrov is his accomplice.