The film consists of 5 parts with the same content telling the story of incestuous love in the dark night of brothers-in-law with lewd sisters-in-law. Because he was afraid of ghosts, he asked his sister-in-law for permission to sleep in the same room. After a moment of persuasion, she finally agreed to let him sleep on the floor while she and her husband slept in the bed. Little did she know that her decision was part of this sinister brother's plan. Part of the plan was already in the plan, now it only needs to be implemented the rest to be a complete success. While the sister was fast asleep, his cock woke up and began to touch the sensitive parts of her body. By the time she woke up, it was too late because at this time, her younger brother with soft hands and professional sex skills made her unable to control her temper and then an incestuous love affair took place between them even though the husband and brother were still sleeping right next to her.