The world is divided into six realms. In the human world, Feng Xiang, a young master of the Fengxian lineage, was sent to the heaven as a "hostage" when he was young. By chance, Fengxiang met Yun Gu, a young master of the Snow Dragon lineage. However, he was seriously injured by the cold-tempered Yun Gu as soon as they met. Later, due to a series of events, the two became close friends, and even went to the human world together amidst a brewing conspiracy. At this time, the six realms were in chaos, and everyone had evil intentions, wandering between trust and suspicion. Different positions prompted everyone to make different choices. How will the two of them face the storm that is about to sweep the six realms...