Whose idea of an adventure is this? One match, one chance, she thinks. Make it count. Skipping school to lead a group of friends – and enemies – on an adult-free excursion to an island in Sydney Harbour is Caro’s idea of a twelfth birthday outing. Marooned overnight? She can handle that too. But the challenges multiply. They’re not alone on the island, and Caro must save her friends from life-threatening danger …