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.

The production of Gamera: Guardian of the Universe. Includes interviews with director Shusuke Kaneko, screenwriter Kazunori Ito and lead actress Ayako Fujitani. Also includes behind the scenes footage from special effects director Shinji Higuchi and interviews with suit actors Jun Suzuki and Yumi Kameyama.