A school was built on one of the Gates of Hell, behind which hordes of demons await the moment they will be free to roam the Earth. Hiruko is a goblin sent to Earth on a reconnaissance mission. He beheads students in order to assemble their heads on the demons' spider-like bodies. Hieda, an archaeology professor, and Masao, a haunted student, investigate the gory deaths.

Island of Java, 1942, during World War II. British Major Jack Celliers arrives at a Japanese prison camp, run by the strict Captain Yonoi. Colonel John Lawrence, who has a profound knowledge of Japanese culture, and Sergeant Hara, brutal and simpleton, will witness the struggle of wills between two men from very different backgrounds who are tragically destined to clash.