Lu Chen was once the sharpest soldier on the border, with the ideal of protecting the lights of thousands of families. However, he was almost killed when a colleague betrayed him during a mission, and his ideal was completely shattered. After recovering from his injury, he returned to the city, accidentally ate the spiritual grass from the mountains, and unexpectedly awakened the ability to perceive supernatural beings. Weird haunted houses, bizarre disappearances, and haunting ghosts appeared one after another, and he was forced to be involved in one supernatural incident after another. In the workplace, selfish colleagues secretly make trouble; in the dark, traitors and evil superpowers collude with foreign enemies to lay a killing plan. At a critical moment, the gentle and healing Su Wan broke into his life and became his light in the darkness. Lu Chen has supernatural powers in his hands. While uncovering the strange truth behind the city, he fights against internal and external enemies, and rediscovers the meaning of existence in revenge and protection.