Genius scientist Kikuo Himura (Yosuke Kubozuka) succeeds in developing a miracle cure for the cold virus. There are now people who are after Kikuo Himura's cold vaccine. Doctor Ichinose (Akira Emoto) is jealous of Kikuo Himura and tries to get the formula which is only in Kikuo Himura's head. Dougen (Chris Peppler) is a high-ranking member of a secret organization. Him and his subordinate try to get the vaccine source by any means necessary. Meanwhile, a mysterious woman, Sakurako (Manami Konishi) approaches Kikuo Himura.
Set in a post-apocalyptic world, young Thomas is deposited in a community of boys after his memory is erased, soon learning they're all trapped in a maze that will require him to join forces with fellow "runners" for a shot at escape.
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.