A child finds a magic statue in a cave. This is a Thai idol that protects the world from an invasion by extraterrestrial giants. Edited from the Tsuburaya-Chaiyo co-production Jumborg Ace & Giant (1974), combining the special effects footage with newly shot drama scenes featuring a Taiwanese cast to create a loose adaptation of the original story that jettisons the connections to Tah Tien (1973) and Jumborg Ace (1973).

Martians warn that they will destroy the earth due to mans nuclear testing in space. When they begin to attack Hong Kong and weapons of science are proven useless against them, a mans statue of the god Guan Yu comes to life and fights the Martians.