Bullied at school for her dyslexia and troubled by her mother's unexplained disappearance Kara seeks sanctuary sailing the ocean's waves in her father's boat. Meanwhile Felix resents his well-meaning parents for dragging him to live by the coast and misses his old friends back in London. On their first encounter Kara and Felix take an immediate dislike to each other. But then they discover a dolphin calf stranded on the beach.