A literature teacher takes revenge on criminal group for the murder of his wife and little daughter.

Boris Izotov is a simple literature teacher who adores his wife and little daughter. Every year they celebrate a family holiday in a cafe. But he was a little late for the last celebration - he stayed at school. By tragic accident, it is in this cafe that there is a showdown between criminal groups, and the wife and daughter of Boris die as a result of the explosion.