A romantic relationship begins between student Ivan and high school student Diana. The only one who is against this love is the son of a local crime boss, Vadim. He also loves Diana and does not intend to lose her to the student. Thanks to the connections of his influential father, Vadim is trying to get Ivan expelled from the institute and sent to serve in Chechnya. Returning from the army, Ivan finds out that Diana did not wait for him - she married Vadim. Having harbored a grudge, he begins a new life, lonely and hopeless. But one day Ivan has a real chance to brutally take revenge on Vadim, and life takes on a new meaning...