When twins Arthur and Maudie Brightstorm receive news that their explorer father has died—and stands accused of theft—they refuse to believe it.
Determined to clear his name, they join the crew of the Aurora, a daring expedition to South Polaris. It’s their one chance to uncover the truth and restore their family’s honour. But as the winged ship sets sail, danger, secrets, and fierce challenges await. Can Arthur and Maudie uncover what really happened… before it’s too late?