When Cailin has to spend Christmas at her eccentric grandfather's shack at Whiteofam Cove, her holiday plans are ruined. She barely remembers him, let along knows him. Memories of her father are everywhere and, to make matters worse, she's left her cricket bat as home. It's going to be the worst summer ever. But there's treasure to be found at Whitefoam Cove! However, just when it seems she and Grandpa are finally making a connection, disaster strikes ... and Cailin knows it's all her fault.