As the long-awaited fiancee arrives to claim Momoyo, Sanshiro's hidden vantage point reveals the couple's intense private rituals involving other household members. What begins as a display of unrestrained passion soon unsettles the servant, who senses an undercurrent of something far more ominous in their repeated ceremonies. Convinced these acts are meant to awaken a dangerous force, Sanshiro resolves to protect the woman he loves before it is too late.
