Isla can’t wait to go to Mermaid Academy, where she'll make a dolphin best friend and learn all about her mermaid magic! But before she can be paired with her dolphin, she and her new roommates must compete in a scavenger hunt. Luckily, they're joined by Bubble, a fun-loving dolphin who is always up for adventure! But when the two find themselves stuck in some deep water, can Isla and Bubble find their magic in time?