Three young men from the God Realm, Zhuo Buhun, Yifan and Gu Hong, who have deep brotherhood, are inexplicably involved in a struggle between gods and demons due to an accident. During the struggle, Zhuo Buhun accidentally carried a God Realm treasure and wandered into the Demon Realm. In order to save their friends and recover the treasure, Yifan and Gu Hong embarked on a rescue journey without hesitation, led by a group of seniors from the God Realm. Under the siege of all forces in the demon world, the seniors died one by one. Yifan was rescued by the Phantom Guest and brought to the ocean, where he lived an adventurous life. Gu Hong was sent into the realm of illusion by the treasure from the divine world, experiencing the colorful evolution and cruel struggle of life. Zhuo Buhun stayed in the demon world, met Arthur, the young master of the demon world, and fought with him everywhere. The three brothers are so different from each other, they all mistakenly believe that the other is dead, so they are struggling in their own destiny, always ready to avenge their deceased friend...