A British mathematician, Sebastian, becomes entangled in a complicated web of intrigue among codebreakers while working on code decryption, and unexpectedly finds himself falling in love with his colleague, Rebecca Howard.
Sebastian
During the Cold War, a British spy officer balances his duty to uncover secrets with his developing feelings for a new colleague and his commitment to a veteran code-breaker whose loyalty is being scrutinized due to suspected ties to communism.
