A close-knit family of four falls apart... The kind father-in-law changes due to the disappearance of the mother. The sisters compete to become their father-in-law's No.1 sex toy. The once close sisters are torn apart by their father-in-law's desires. The sisters, continuously raped like beasts, are both physically and mentally brainwashed and fall into depravity. "For economic reasons, I can only raise one. Come on, which one of you will please your father-in-law?"
