Fenghai Brothers Cultural Media 风海兄弟文化传媒

The film mainly tells about the bizarre cases in the Lop Nur area during the Republic of China. Shi Chuqi, the president of the mysterious incident investigation organization "Seven Sons", led the team members to solve the mystery. The film focuses on many mysterious and unresolved events based on elements such as exploring the unknown and revealing the truth. It also adds science fiction elements of ancient space civilization to satisfy the audience's curiosity.

Guan Xing trains with all his might in order to retrieve the Green Dragon Crescent Blade. He finds Pan Zhang, the killer of his father, and they begin to fight at the water dam. So, who will get the Green Dragon Crescent Blade in the end?

At the end of the Qing Dynasty, most of the people in the city contracted strange diseases. He Miao, who cares about the fate of the country, hopes that Zhang Xiaozhi will help him to get the treasure in the underwater underground palace. But several other forces started a big fight in order to obtain the treasures of the underground palace.