The story takes place in the beautiful village of Chuan Cun, when the summer vacation, Xia Ji, Xiaozhou and Xiaoqing and other five primary school students, summer accommodation activities in the school building. In order to find the missing pet rabbit, five people went into the mountains to explore, accidentally found a mysterious circle in the mountains, but also found an injured puppy. The puppy who was rescued by five people woke up and unexpectedly spoke. He claimed to be a cosmic man from Dog Star. His name was Porky. He came to Earth for a plant that had long been extinct. In order to repay the five people for saving their lives, Porch decided to realize their wish to explore the universe. As a result, an alien who looks like a puppy and five pupils embark on their splendid journey to the universe.