A ship runs aground on a mysterious atoll leading to an investigation by insurance representative Kusanagi, who discovers an ancient bead that he gives to his daughter Asagi. Meanwhile, ornithologist Nagamine investigates reports of a new species of large bird named Gyaos. As the Gyaos begin to attack, an ancient guardian with a bond to Asagi emerges.
Tsuyoshi Ihara
Yoshinari Yonemori
Shinobu Nakayama
Dr. Mayumi Nagamine
Ayako Fujitani
Asagi Kusanagi
Yukijiro Hotaru
Inspector Tsutomu Osako
Hirotaro Honda
Masaaki Saito
Hatsunori Hasegawa
Colonel Satake
Kōjirō Hongō
Captain of the Nojima
Akira Kubo
Captain of the Kairyumaru
