Alli Sinclair, an author and researcher specializing in women's roles during wartime, delves into the untold story of the 'Garage Girls,' the young female codebreakers in WWII Australia. They worked tirelessly in a shed, intercepting Japanese communications essential for the Allies' success. Sinclair reveals their challenging recruitment and training process, the innovative decoding methods they employed, and their significant contribution to Operation Vengeance against Yamamoto. Despite their crucial work, their achievements were forgotten, highlighting the need for recognition and honoring their legacy.