The white dolphin is a sign that Mum's out there ... 'When they first meet, Kara and Felix can't stand each other. But on discovering an injured dolphin calf on the beach they know they must work together to save it. Now friends, they set out to find the truth behind the disappearance of Kara's mother, and to protect the nearby reef. But powerful people don't want them to succeed. And with the odds stacked against them, how can Kara and Felix make their voices heard?