In the future, the renowned scientist Feng Yin discovers i=-3 and the mysterious substance adopt, along with other groundbreaking theories. This is near-future science fiction, where technology can verify the theory of parallel universes, but travel between universes has not yet been achieved. The scientific community is controlled by the monopolistic academic authority known as the Tower of Truth, which suppresses revolutionary research. A clash between science and power, a contest between truth and lies, and the threat of war between parallel universes.