She lives with her husband but they have no sexual relations. One day, a young man comes to sell insurance. Mako feels excited. Her husband notices the change in his wife and becomes jealous, making their relationship even more strained. Mako asks the insurance salesman for help, and before long the two are making love even when her husband is asleep upstairs. Even a senior insurance salesman who has heard about their reputation comes to visit Mako. Her husband finds her having an affair, but the answer Mako gives at that time is...