A case of mistaken identity lands Slevin (Josh Hartnett) into the middle of a war being plotted by two of the city's most rival crime bosses: The Rabbi (Ben Kingsley) and The Boss (Morgan Freeman). Slevin is under constant surveillance by relentless Detective Brikowski (Stanley Tucci) as well as the infamous assassin Goodkat (Bruce Willis) and finds himself having to hatch his own ingenious plot to get them before they get him.
A gang member, suffering from severe memory loss, searches for his brother's murderer. He secretly enlists the aid of the investigating Detective, while other members of his gang are mysteriously and sadistically murdered.
Based on Washington Post columnist David Ignatius's 2007 novel about a CIA operative, Roger Ferris, who uncovers a lead on a major terrorist leader suspected to be operating out of Jordan.