Rope magic is the fourth episode of the "flower and snake" series, and another great example of the "Filmu Pinku" genre. The main ingredients of the film are lust, submission and bondage in typical Japanese style.
A gambler uses his wife and daughter as collateral for a loan. When he is unable to pay back the loan, daughter and mother are kidnapped by the Yakuza gang that lent him the money. From this moment on, the women have to endure endless abuse and torture by the ruthless gangsters.