Noisering follows Yadorigi, a blind young man with exceptional hearing who works as a sonarman for the marine research organization JANSTEC. Set one month after the Great Shizuoka Earthquake, a team goes on a deep-sea submersible mission to investigate submarine fault lines that caused the disaster. They discover mysterious, ominous entities living deep underwater that communicate with sounds resembling ringing bells. As Yadorigi and his crew try to rescue another team led by Gien, they encounter terrifying cosmic horror where previous submersibles have been mysteriously dismantled and assimilated by these unknown deep-sea entities.