The once harmonious family of four falls apart... The kind stepfather turns vicious after the mother disappears. The sisters compete to become the stepfather's number one sex toy. Sisters who were once so close are torn apart by the stepfather's desires. The kind stepfather ravages the sisters like a beast, 'Show me which one of you is more disgusting.' Their minds and bodies brainwashed, they fall into depravity... 'For economic reasons, I can only raise one of you. So, which one of you will make your stepfather happy?'
