Izumi endures the humiliating and obscene torture she receives from her husband almost every night. Her self-righteous and controlling husband is also harsh towards her only son, Hiromo. And Izumi's sealed past, where she becomes a prey to lust. The secret of Hiromo's birth. Izumi just stands there in front of her family, which is gradually showing its signs of collapse. In a dark storehouse, mother and child are guided by cursed blood and form a forbidden physical bond.