Chu Feng, who was once at the pinnacle of swordsmanship, unexpectedly returned from time travel during the apocalypse, only to find that the world had become a wasteland and monsters were rampant. Holding a broken sword in his hand, he swept everything with his invincible swordsmanship, but found the flame of hope of human survivors in the ruins. When the forces of darkness come again, how will the returning sword god protect the last dawn of civilization with the power of his sword?