The action of the Russian crime series "High Stakes" takes place in St. Petersburg. Someone has attempted to assassinate the notorious underground entrepreneur Yuri Sergeev, who owned a network of illegal gambling establishments. A random person becomes involved in the events and engages in a confrontation with the killer. The culprit dies, and Kirill Borzov, a passerby who recently arrived in the Northern capital from a provincial town, receives a lucrative offer from Sergeev.