Young Tiechui, following his master's orders, descends the mountain to seek out his nine senior sisters, each accomplished in their own field, to fulfill an old sect covenant. Born with a special physique and immune to all magic, he relies on his sincere disposition and immense physical strength to face successive crises alongside his senior sisters, protecting the sect and all living beings of the three realms. After enduring numerous trials, they successfully thwart the conspiracy that disrupted the order of heaven and earth. In the end, Tiechui clarifies his feelings, becomes partners with the eldest senior sister Su Qinghan, and the nine senior sisters guard the Misty Sect together, welcoming a consummate ending.