Driven by uncontrollable desire, a demonic man seeks Yuri's soft, alluring body. His passion leads him deep into a quiet storehouse, breaking through the forbidden door. An old family legend passed down from his stepfather warns: "Never open this storehouse door." For over a century, the heavy door has remained sealed, now emanating an eerie coldness. Behind it lurks an unknown entity, and the man advances toward it at the cost of his life. A night of taboo, where mystery and lust collide.