In order to rescue his old comrades Blind Man goes deep into the Cambodian forest and fights against the strange insects and monsters hidden in the underground palace of the monument, and solves the mystery of his comrades' disappearance. The film is adapted from the original work of the Nanpai Sanshu.

In order to find a cure for Hei Yanjing's worsening eye disease, Xie Yuchen leads a team into the Trojan jungle. Hei Yanjing learns that the team is in danger and immediately comes to their rescue. However, he discovers that in the underground palace of Nanyue deep beneath the mountain seam is Nagas, a huge monster regarded as an ancient god.