S1·E12 The Enemy Within

After the daughter of the United States Ambassador to Greece is kidnapped by terrorists, Matt and Jackson attempt to track her down. Following the abduction, the CIA reveals to the ambassador that the young woman has actually been working undercover for them for several years. Matt and Jackson think they have successfully rescued her, but then realize they have an imposter and must save the real girl before she is murdered. Meanwhile, Robert uses Lisa to get important information from Patrice, which he turns against her.