Ding Yi, a modern young man from the year 2025, is misdiagnosed with terminal cancer and ends his life by jumping off a building. However, he finds himself transmigrated into a fictional ancient dynasty as Jing Chuan, the most despised third son of the prominent Jing family. Just as he arrives, he encounters the highly prestigious entrance exam for the Boundless Immortal Sect—only to be shocked that the test questions resemble the level of first and second grade elementary school problems. Jing Chuan quickly realizes that in this era, human intelligence has regressed by centuries compared to 2025! And thus, his moment to shine has finally come.
