Satomi comes to a hot spring inn to accompany her husband on a business trip because they hardly have time to spend together. However, the innkeeper is aroused by her lust as soon as he sees her body and devises a wicked plan. When her husband leaves for work, the innkeeper says, "Ma'am, I'll give you a special free massage," and starts to massage her whole body with lewd hands. He skillfully ties her up with rope and says, "Now, this is the finishing touch..."