Happy husband and father, Boris Izotov, a literature teacher, is delayed at school where he works and arrives too late at the café where a family celebration was to take place. Bandits having accidentally chosen the same café to detonate a bomb, when Boris arrives all his relatives are dead. He will desperately wait for justice to be done. But one day, he learns that the case is closed. Then from a devastated widower, he transforms into a relentless avenger.
