It's been four years since Maya, Simon, and Penny Nelson left the lost island of Tamarind. For Maya, the island is a nearly forgotten part of her childhood; for Penny, it's a secret place she can't remember, but longs to see; and for Simon, it's an adventure waiting to happen. An evil group called the Red Coral Project is lurking around the Nelson's home in Bermuda, and the children discover that the project has moved into Tamarind, and are desiccating...