Densuke Hamazaki is an office worker at Suzuki Construction and gets transferred to the main Tokyo office. After settling in to his surrounding along with his wife Eri, Densuke befriends an elderly man named Ichinosuke Suzuki. Ichinosuke is a lonely and old man who learns to enjoy life again through his friendship with Densuke. Meanwhile, Densuke is completely unaware that Ichinosuke is the boss of his construction company. The two men become friends through their shared passion for fishing.
A spaceship is lost near the forbidden planet of Inferno II. Some years later, a second ship with a crew of nine gets there and encounters a monster that rapidly makes mince meat of most of them. The sole survivor, Makuro Kitazato, must destroy the monster before it can surprise a third ship that is already en route.
