Brilliant Days(2012)

Symbolic of the era, termed the "Roaring Twenties," a party is being held one evening at an elegant home in the well-heeled Upper East Side of Manhattan, attended by socialites. The man who lives here is named Alexandre Volskii. Purporting to be a scion of Russian nobility, this young businessman has amassed a huge fortune. Just as the party hits its peak, a gunshot rings out.