The film is based on the true story of Miep Gies, who hid Otto Frank's family, including his daughter Anne, in the attic of her office in Amsterdam during the Nazi occupation.
The Attic: The Hiding of Anne Frank
As the Nazis intensify their search in Amsterdam, Miep Gies works tirelessly to protect Anne Frank and her family, hiding them in the secret annex while keeping their existence a secret.