An erotic film about a younger sister whose job and everything, including men, are being controlled, as her older sister said. A younger sister will do everything her older sister says, even if it is pretending to die. Everything, from her job to men and sex, is controlled by her sister. The older sister has already married and wanted to start a family, but she cannot have children. The troubled sister, who was worried, ordered her younger sister to have her surrogate her child. The younger sister, who has never refused her sister's demands, goes to bed with her brother-in-law.