From the author of Sky Hawk, comes this uplifting thriller set in Cornwall. Kara and Felix - two teenagers with very different problems - find common ground when they discover a dolphin calf stranded on the beach. Not only must they work together to save it, but the pair must risk their lives to uncover the truth behind the disappearance of Kara's mother, and protect the local reef from destruction. This tense and exciting novel engages throughout, while exploring themes of ecology and friendship.