When war comes to Australia, Jack's family moves to Rottnest Island while his father helps the military build an airfield. Jack is left to explore his new home with his best friend Banjo ... and the pair have a knack for getting in trouble. Trouble that's exacerbated when their new classmate Dafty seeks revenge against the local schoolmaster for a punishment inflicted on Banjo. Will Dafty's loyalty lead to things suddenly becoming more serious? Written in short, engaging chapters, this poignant and accessible story for younger readers offers valuable insights into wartime Australia.