Hu Ba Yi and Wang Kai Xuan lead an archaeological team organized by Shirley Yang into the heart of the desert in search of the ancient city of Jing Jue. Hu Ba Yi has traveled from the mountains to his hometown and arrived at the border area between China and Mongolia in Găng Găng Yíng Tử, bringing with him the last remaining book in his home - 'The Secret Techniques of Feng Shui and Yin-Yang.' During his free time, he memorized all the words in the book. Later, he joined the army and served in Tibet. On one occasion, he was caught in a snow avalanche and fell into a gigantic crevice, but he used the secrets he knew to escape death. After leaving the military, Hu Ba Yi, along with his best friend Pang Zi, joined an archaeological team searching in Xinjiang. They faced countless dangers to reach the stunning ruins of the ancient city in the Taklamakan Desert and entered the 'Demon Cave.' This cave is filled with mechanisms and traps, seemingly controlled by a prophet...