Jessica finds herself mired in a case of international espionage when she unknowingly acts as the go-between between spies and Russian Trade Ambassador Yuri Lementov, who tries to pass an encrypted note from his homeland to the U.S. government. When Lementov eventually ends up murdered, Jessica winds up in a tight situation especially when her friend and British spy, Michael Hagarty gets framed for the murder. She then has to team up with a Washington, DC police officer to prove his innocence and find the real killer before they escape.