--If one day you are no longer here, I will go find you.
--What if I can't find it?
--Then I will never give up. Until you find it.
--I'm afraid. I'm afraid that one day, you will turn around and you will no longer be by my side. You will no longer be the young man who called me [Bai Yu] with a smile. You said that no matter where I go, you will find me and never leave me. However, the arms that hug you are too shallow to carry a lifetime promise. What's more, the boundaries of time are so clear, and there are more than thousands of years between us...
As the wheel of fate keeps turning, what kind of fetters and entanglements are created between the two?