Den of Lions (Hungarian title: Oroszlánbarlang) is a 2003 film directed and written by James Bruce and produced by Daphne Lerner and Váradi Gábor. It is a violent direct-to-video B movie, starring relatively famous actors like Stephen Dorff, Bob Hoskins and more.
Den of Lions follows Mike Varga, an undercover American intelligence agent sent to Eastern Europe to infiltrate a Russian organized crime network operating in Hungary. His mission is to gain the trust of two powerful mafia brothers, Sergei and Yuri, who control a criminal organization involved in arms trafficking, smuggling, and other illegal activities. Mike travels to Budapest posing as a former criminal looking for work. Through a series of encounters, he gradually earns the confidence of Sergei and Yuri and becomes involved in their operations. As he gains access to the inner circle of the organization, he secretly gathers information and passes it to his superiors to help build a case against the group. During his time with the organization, Mike becomes romantically involved with Katya, SergeiâÂÂs sister. Their relationship complicates his mission, as Katya grows suspicious of his past and his true intentions. Meanwhile, the criminal group prepares for a large international weapons deal that could significantly expand their influence. As the operation moves forward, MikeâÂÂs cover is nearly exposed, placing him and those around him in danger. Law enforcement eventually moves against the criminal organization, leading to a violent confrontation in which several members of the group are arrested or killed. The operation successfully dismantles the network, but MikeâÂÂs relationship with Katya collapses after she learns about his true identity. The film ends with Mike leaving Hungary after completing his mission.