Белая ночь, нежная ночь

Businessman Pavel Vlasov lives with his beloved wife and her daughter Dasha. One day, returning home, Vlasov finds his ten-year-old stepdaughter in tears. Dasha tells her stepfather that her mother has a lover, an employee of Vlasov’s company. The girl’s uncompromising attitude reveals a long-standing love affair between her mother and her cousin Yuri, turning Vlasov’s life into a real nightmare...