Old Blu was once the brightest fish in the sea. But as time passed his color began to fade away. Everyone tries to help Blu be his old self again: the cleaner fishes clean him the nurse fishes nurse him and the eels bring him nutritious food to eat. But nothing seems to work until a fish named Puffer tries a new approach.Blu is a commentary on the importance of happiness on on ones emotional as well as physical well-being.