Major Baranov an experienced professional with a bad temper is suspended from the service for excessive zeal and now languishes taking low-paying jobs just to support himself. All of sudden he is offered to take part in an operation to expose a dangerous criminal who escaped from prison. Everything would be all right, but there are too many pitfalls in the case: the major will have to go to a small town, become a teacher in a kindergarten, and even conduct an investigation under the guidance of a woman.