Newlywed Kokoro becomes the prey of a filthy, insatiable neighbor in his apartment piled high with garbage. While she and her husband enjoy their happy new marriage, reclusive Inoue lives next door in squalor. The couple confronts him about trash accumulating in the shared hallway, but instead of reflecting on it, Inoue becomes obsessed with Kokoro and secretly films her. Days later, loud obscene noises come from his apartment. When Kokoro goes over to complain, he forcibly drags her inside...