"I Want to Be a Shark" tells the story of a young pufferfish named Jack, who admires and aspires to be like the sharks he holds in awe. One day, after encountering real sharks, Jack tries to mimic their behaviors, but all his attempts end in failure. With the help of Old Turtle, Jack explores the underwater world and discovers the unique talents of various marine creatures. Ultimately, during a race against a seal, Jack discovers his own unique advantage—having the loudest voice in the ocean. Jack realizes that being the best version of himself is more important than trying to be someone else. He begins to appreciate his strengths and proudly accepts his true identity, becoming a happy pufferfish.