A young accountant from a provincial settlement suffers from the tyranny of his mother and is looking for an answer to the reasons for his father's suicide. The desire to change the direction of his life pushes him to flee to Moscow, where by the will of fate he finds himself in the life of an underground casino.
Nikolai's firm is on the verge of ruin, and Vladimir offers him money at interest. But, as it turns out, they actually know each other.
