It's 1942, and Hitler has invaded Britain. Twelve-year-old farm boy Benedict Flint has imagined standing up to the Nazis ever since his father was killed and his mother taken away. His chance comes when he rescues top-secret information from a dying British agent - then suddenly, he's Firebrand Flint, an accidental real-life hero who, together with best friend Alfie, joins the British Resistance, determined to restore the exiled teen Queen Elizabeth.