Sunrise and Sunset

A crow held a white bead in its mouth and lured me into a pre-set trap. In order to escape from the trap, my friend Chengzi and I strayed into the ruins of the legendary ancient altar. A life and death escape was about to take place. In the ruins, clues to the secret of immortality are revealed. Is it a lie for mortals to become immortals? Or is it a hidden fact? The intervention of enemy spies made everything even more complicated and confusing...