This plot tells the story of the three protagonists, the diving goddess Shi Xiaojun, Mr. Panda Fish Shi Xiaojia, and the diving goddess Shi Xiaosha, who have been sworn brothers and sisters since they were minor children. The three Junjiasha brothers and sisters still depend on each other, love each other, are inseparable, and will always be united as adults. The three brothers and sisters of Junjiasha have experienced the ups and downs of life. They can stay young forever on the outside, but can also take off their immature clothes on the inside. After that, the three fishes of the Junjiasha brothers and sisters built a sealed private swimming pool in Xiaoqing Park and named the swimming pool Anxiang Pool. The three fishes always lived together in their independent swimming pool at home, swimming and playing happily and cheerfully, showing a good atmosphere of happiness, health and good fortune.