Forced to win the favor of her grandmother's new husband and unable to confide in anyone, the granddaughter is pushed into an unbearable situation. With no escape, she's subjected to relentless harassment under the same roof as her step-grandfather, whom she's pressured into pleasing. Nana lives with her grandmother and her grandmother's new husband. Though her grandmother is kind, she still treats Nana like a child, refusing to acknowledge her as a woman. One day, her grandmother instructs her to wash the step-grandfather's back during his bath, leading to a shocking encounter...