The nine gates and eight trigrams (2020)

In the early days of the Republic of China, Zhang Tian Ming, Jiang Dayu and Ge Xiaobone, the heirs of Yi Xue, coincidentally received a mysterious invitation, and Ling Wu Er, who was not learned, also received the invitation. Subsequently, the four of them follow the invitation's instructions and meet at a luxurious manor. They thought it was just an ordinary site selection, but all this was just the beginning of a plot by the Japanese secret spy Nobuko Miyazawa to use the Their ancestral relics find a secret base that has disappeared for centuries. In order to blackmail them, Zhang Tian Ming's fiancée, Tang Wanqing, is also secretly captured by them