An organized gang terrorize their victims by forcing them to perform humiliating acts on camera, which are released online afterwards. Anna and Sam's lives are altered after becoming involved in this world of crime.

Based on the real life story of legendary cryptanalyst Alan Turing, the film portrays the nail-biting race against time by Turing and his brilliant team of code-breakers at Britain's top-secret Government Code and Cypher School at Bletchley Park, during the darkest days of World War II.