29-year-old Yoo Mi is a civil servant. Her fiancé works in Japan and has not returned to Korea for a long time, so Yoo Mi decides to go to Nagoya to find him. When she arrives in Japan, she finds out that her fiancé already has a Japanese girlfriend and plans to marry her. Yoo Mi is heartbroken and doesn't want to have anything to do with him anymore. She wanders alone in this strange city, and she accidentally stays in a guesthouse at the end of an alley. There she meets the clerk Nishiyama and other guests, and the time she spends with them helps her gradually get out of her grief. Can Yoo Mi face her wounds and return to Korea to start a new life?