SHkol'naya zhizn' bliznyashek O,Sallivan shla svoim cheredom: uroki, peremenki, domashnie zadaniya, vecherinki i prochie razvlecheniya… Kazalos', chego eshchyo ozhidat'? No odnazhdy v ih klasse poyavilas' novaya uchenica Klodin – bol'shaya vydumshchica i fantazyorka, neposredstvennaya, sposobnaya na samye derzkie shalosti. S prihodom etoj ozornoj devchonki i bez togo neskuchnaya zhizn' v shkole zaburlila s novoj siloj…