When you are a fourth-grader, difficult questions arise before you: how to help a friend when he is “sinking” at the blackboard? Is it worth being friends with girls if they are always chattering and getting offended over every trifle? Should you write the truth in the school newspaper if someone behaved very badly, but that person is your best friend, and you must be an honest and impartial editor? Vasyok Trubachyov, Sasha Bulgakov, and Kolya Odintsov — three inseparable friends — will have to sort out these and many other questions.