Terrorists in the State of S have hijacked a large number of nanobots, which are breakthrough medical nanobots developed by top scientists from many countries around the world, capable of giving countless patients a new life. The terrorists want to use it to achieve the purpose of rebellion to seize power,
This seemingly peaceful world is not just inhabited by humans. All along, the little demons and fairies in the world have been living among us in human form. Among them, there are those who are kind-hearted towards humans and those who are wicked. The secret organization that maintains order and peace in this world is the hidden martial arts clan known as the Hidden Mist Sect. The evil demon Tian Xie attempts to use the power of Tai Sui to eradicate the Hidden Mist Sect and build a demonic kingdom, but unexpectedly, Tai Sui becomes attached to Wu Yin.