Boris "The Blade" Yurinov is an Ex-KGB agent, being involved with Vinny, Tyrone, and Sol to find a priceless Diamond to which the same trio is after as well as Avi and Tony. He gets roped into the circumstances primarily due to his beef with Tony and Avi and his desire to get the diamond which leads to him being confronted by Avi's henchman and brutally beaten and then taken hostage, leading to him getting into a car crash and eventually hit by a car, prompting him to go to his house and getting a military-grade assault rifle to enact revenge on those who've wronged him. Boris is a master at being "killed' and once he has his eyes set on what he wants no-one and nothing can stop him.