After her marriage ends, Shinobu returns once again beneath the roof of her former in-laws. "Welcome home, my daughter..." Those words send her heart racing. The bond between stepfather and daughter begins to transform into something new. As daily life unfolds, forbidden desires take root, drawing them into an increasingly intense and illicit relationship. With each encounter, pleasure deepens, pulling them further into a quagmire from which there is no escape. At the edge of incestuous taboo, is this hell—or heaven? From morning until late at night, the stepfather craves his daughter's body, and she willingly embraces his warmth. Tongues and bodies entwined, their unified ecstasy shakes their souls.