Wang Qianyi stumbles upon a mysterious cave deep in a mountain valley and is struck by one of its mechanisms. Eight years later, he accidentally activates the mechanism and returns to the past, reversing the tragic course of his first life. Traveling back and forth between the past and the present, he uses what he knows about the future to become the world's richest man, step by step. At the pinnacle of his life, he unexpectedly finds a few clues to the mystery of how he transmigrated. As Wang Qianyi unravels the mystery layer by layer, he discovers an earth-shattering secret about humanity.