The legendary empire of the lost continent of Mu reappears to threaten the world with domination. While countries unite to resist, an isolated World War II Captain has created the greatest warship ever seen, and possibly the surface world's only defense.

Cast: Tadao Takashima, Yōko Fujiyama, Yū Fujiki, Kenji Sahara, Ken Uehara, Hiroshi Koizumi