The Autumn Waltz(2008)

The Autumn Waltz is a Soviet romance film about a chance encounter that blooms into unexpected love. When Maxim, a charming dancer, meets Masha at a nightclub in the capital, they share an enchanting waltz. Months later, Masha arrives in the city seeking work and discovers that Maxim now runs a real estate agency. He hires her, and their connection deepens. Determined to build a life together, Maxim abandons his playboy ways and proposes marriage. But just as their future seems assured, Masha vanishes without explanation, leaving Maxim to unravel the mystery behind her sudden disappearance and fight for their love.