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.

When Gerda Wegener asks her husband Einar to fill in as a portrait model, Einar discovers the person she's meant to be and begins living her life as Lili Elbe. Having realized her true self and with Gerda's love and support, Lili embarks on a groundbreaking journey as a transgender pioneer.