Maiko (Miyamoto) is married to the eldest son of a rural family. Maiko's nephew Yugo comes to Maiko's house who was bored with sex with her husband and every day without change. Seeing Yugo hitchhiking across Japan, Maiko remembers a certain day. It was an affair several years ago. While remembering the one time mistake he made with Yugo's father, he compares those memories to Yugo. And on the day Yugo leaves, Maiko tries to make one more mistake...
