The story is an alternate history of the world in which the Axis powers won World War II. In USA, the east is the Greater Nazi Reich and the west, the Japanese Pacific States. Amidst this oppression there is new hope - films that seem to show a different world. When her sister gives her a film and is then murdered, a woman comes to believe the films hold the key to freedom and becomes obsessed with finding their mysterious guardian, The Man in the High Castle.