Charlie, a fiery and brilliant young actress, meets a mysterious stranger on the beach in Greece, and he draws her into an international espionage operation.

Charlie is recruited with the promise of the role of a lifetime to infiltrate a dangerous revolutionary cell. As a cover story, she and Becker must pose as lovers.

In London, Kurtz's team prepare for the next stage of the operation as Charlie waits and wonders if Michel's people will make contact.

Charlie prepares for her part in Khalil's next strike. But is she still playing a role, or has she switched to the other side?