Chi Ye, a boy from the Miao village, has been seen as an outlier since childhood, with only the corpse-driving old man and the Miao border saintess always believing in him. After an altar incident, the mysterious power dormant within him gradually awakened, which turns out to be related to the ancient legend that guarded this land a thousand years ago. With his life experience shrouded in mystery, righteous sects coming to his door, and the mountains and rivers shifting, he steps from an outlier distanced by everyone step by step toward the destiny of guarding his homeland. By day he is an ordinary apprentice, by night he shoulders the responsibility. This is the story of a misunderstood boy finding himself and protecting a region of land and water.