A family hires a babysitter who seems to possess magical powers.

A new young teacher Tatyana Ivanovna takes a problematic 5th"B" class and wins with the score 4:0.

Village boy Klimko, accompanying his father to the front, stays with his stepmother. In the occupied village, the hero cannot see his friends...

The movie is based on short stories by Viktor Dragunskiy about Denis Korablev, his friends and family.