Dasha never thought, as she went to the registry office to apply for marriage, that she would meet her classmate Anton, whom she had been in love with at school. It seemed like ten years of separation had never happened! High school love burst out in bright fireworks, lighting up Dasha's life. Except that Dasha is getting ready to get married to a successful dentist Felix, and Anton is the groom of charming young Alyonushka. And the closer the wedding, the more the former lovers are drawn to each other.