A brother and sister who befriend a badly sunburned dolphin separated from his family and uncover a secret plan that could destroy the beach and their new friend's home. The kids must devise a clever plan to stop the bad guys, protect the sea life, and, most importantly, save their best friend, Bernie.

Dakota, an ex-service dog, joins single mum Kate and her daughter Alex to live on their small-town family farm. Dakota quickly adjusts to her new home and becomes somewhat of a local hero, soon becoming inseparable from Alex. But when the farm’s existence is threatened by the town’s rogue sheriff, Dakota must help the family band together and save the land.