A mass murderer wearing a mask wreaks havoc on the busy streets of Ikebukuro, mercilessly slaying anyone in sight. The only survivor, Madoka Murasaki, stands in frozen shock as he passes her by, his piercing gaze cemented in her memory.
Dubbed "M" by both law enforcement and the media, this murderer continues to plague the minds of all those who bore witness to his violent spree. While M is now behind bars, survivors cannot shake the phantom of his presence in their everyday lives. As a new wave of bloody deaths grips society, Madoka realizes that M's presence may not have been imagined. The murderer's motives remain unclear, but a sinister and merciless culling of humanity seems inevitable.
