Housewife Kanna smiles every day while preparing dinner for her family. However, her true torment is being violated by her own son. He harbors a twisted desire to assault his mother only in the presence of his father, reveling in the sense of dominance it gives him. After a family dinner, he blackmails Kanna into drugging her husband with sleeping medication. If she refuses, he threatens to expose their entire sordid past. As the bonds of the family begin to unravel, how will Kanna respond?