What was it like when Aia Ai met Mu Wan for the first time? The light shined on his handsome face that was raised at a forty-five degree angle. Just like what Zhang Ailing said, in the wilderness where time has no boundaries for millions of years, he happened to catch up with him, neither a step too early nor a step too late. When Mu Wan left, Aia Ai couldn't remember. She is like an amnesiac patient searching in the wilderness... What is the truth buried by time? What is the real reason for Mu Miao's departure?