Life has always been full of unknowns. The sudden disappearance of his wife shocked Yu Feng's soul. Under the torture, he returned to his childhood hometown, hoping to find some solace. But unexpectedly met Mr. Bai, whom he originally thought was only alive in his childhood dream memories. The mysterious Mr. Bai led Yu Feng to travel between the past and the present, helping him carefully clean up the increasingly blurred corners of his memory, allowing him to once again experience the various entanglements he experienced in the past, hoping that he could use this to re-examine himself and find out the reason why his life was stuck in the quagmire. This is a fantastic journey and a quiet look back. What will Yu Feng encounter? How will his life change as a result? I, along with you, will wait and see.