Peaceful days with a kind husband, a married life filled with constant smiles. Yet, a dark shadow lurked, threatening to destroy their happiness. The wife, Keiko, held a secret she could never reveal to her husband—the sin she once committed, and the betrayal that tried to bury it. Now, that dark past returns as revenge, creeping toward the heart of their marriage. A quiet, deathly terror, like the grim reaper, draws near—closing in on her beautiful body and her fragile soul.