Huaigu Village is a taboo place that the world avoids. Tree spirits reside here and feed on the essence of living people. Xie Sui'an goes into danger with Chi Yuan to find his father who disappeared ten years ago.
Strange red rain, the clone of the boy in blue shirt, and the souls trapped in the Soul Locking Cave, the crises are coming one after another. The locust leaf mark on Xie Sui'an's chest awakens the power of "living contract", and the silver lock becomes the only guide.
They met a deed seeker and formed a team to break into the Soul Locking Cave to rescue the trapped people, but they were trapped by tree roots. Everyone uses ancient books to find the Yin Sophora Crystal to break the situation, but also to uncover the secret of the double contract and protect the world in life and death.
Purpose: Find out the secret of the twin contract