Former Soviet Russian agent Sergei Dima escapes from Sarajevo prison. Special Ops is called upon to prevent him dealing arms to terrorists. Uncharacteristic support, from Aaron Gerrity within the Pentagon and from Democrat congressman Hal Lovett, who promises to push for helicopter funding, render Tisnewski and McNulty suspicious. They and Angie find out about dirty games,in which CIA deputy director Raymond Metcalf seems to play a key part, to cover up past connections and present blackmail. Tisnewki's field buddy Bobby Wilkerson wants out, cracking under psychological stress.