This novel tells the story of the three Li siblings, Chen Yuan, Chen Ying, and Chen Yue. Beginning with the traditional struggle between good and evil and the grudges between brothers, they gradually uncover astonishing truths about themselves and the world. They discover that their world, and even their many lifetimes, may be part of a vast dimensional experiment intended to fight the heat death of the universe, or to serve some other purpose. They repeatedly battle powerful enemies, including the Lord of the Netherworld Hall, the Mirror Master, the central AI, and the researchers' consciousnesses. They endure countless sacrifices and difficult choices, and their understanding of reality is overturned time and again. In the end, they transcend the experiment's framework, come to understand the value of emotion and free will, and find a
