Tokyo, 2030. A high-frequency resonance echoes throughout the city, and the red mist envelops everything. Those who hear the sound fall unconscious, and all life seemingly vanishes from Tokyo. However, six days later, they awaken to find themselves trapped inside a mysterious barrier. Some of them begin to develop supernatural abilities. As they struggle to escape and unravel the mystery of the phenomenon, they discover the horrifying truth that awaits them.