Although she is loved by her husband, Nana is unsatisfied with something, and in order to find that something, she has an affair with a man named Sasaki. They always meet at night... Nana was fed up with such an uncertain relationship, but one day, she was ordered to accompany Sasaki when he was going on a business trip to the countryside. Sasaki and Nana openly interact with each other at a resort on a business trip that overlooks the ocean. But Nana is this