On a tropical island vacation, a young boy's friendship with a playful and friendly dolphin helps him find the courage to get back in the water after the sudden loss of his mother.

After losing her parents, 14-year-old Annabel lives with her fisherman grandfather on an island paradise. She is surrounded by an extended family of loving but quirky neighbors and her best friend – a dolphin named Mitzy. Everything changes when her maternal grandparents arrive with a shifty lawyer to bring her back to New York. It’s up to Annabel and her friends to figure out how to save the day and prove that love conquers all!