Legend has it that the ancient god "Xuanjun" sealed the world-destroying demon, and his body and soul disappeared. His natal immortal weapon "Nine Heavens Tower" was broken into five pieces and scattered throughout the world. After ten thousand years, the demon king will wake up, and the undercurrent of the three realms will surge.
The story begins in a small town on the border of mortal world. Yun Che, a young man who was regarded as an ominous person by his family, unexpectedly awakened an ancient sword spirit parasitic in the fragments of a broken map in a desperate situation. From then on, holding the mortal iron in hand and harboring surprises in his heart, he embarked on a path of exploration across the four realms of humans, monsters, immortals and demons.
This is not only a road of salvation to recover the fragments, recast the immortal map, and fight against the evil calamity, but also a passionate legend about betrayal and protection, fate and resistance, and how even an ant can shake the sky. When the final truth was revealed, Yun Che discovered that his fate had long been closely connected with the ancient secret...
