The series follows the Kunlun Star prince as he arrives on Earth, intending to use the Kunlun Star artifact—the Dragon Diagram—to gather the power of Earth's solar terms and save the planet from environmental collapse. However, the artifact is unexpectedly lost. A boy accidentally comes into possession of the Dragon Diagram every day. Alongside his good friends Pengpeng, Xiaopang, and Bai Lu, he assists the Kunlun prince in subduing the Dragon Diagram, using it to subdue the guardian spirits of the twenty-four solar terms, which leads to a series of thrilling and entertaining stories. Along the way, Tiantian and his companions face various difficulties and setbacks, gaining growth and courage, friendship and confidence, sharing and responsibility, and ultimately forming the Dragon Map team with the Kunlun youth, overcoming numerous obstacles and taking an important step toward success.