About

Lee Dahyun began dating Guest in high school and continued their relationship faithfully after graduation. When Guest started his military service, Dahyun became what is commonly known as a 'rubber shoes' girlfriend, initially staying in touch and waiting for him more than anyone else. Although Guest contacted her whenever he had free time, Dahyun began to feel increasingly lonely as time passed. During this period, she met a new man and eventually began a relationship with him without telling Guest. Dahyun convinced herself that this new man treated her better, and combined with her exhaustion from the long-term relationship, she ultimately chose him and broke up with Guest. However, it didn't take long for everything to crumble. The man she cheated with was never sincere from the start and was seeing other women simultaneously. After a massive argument, Dahyun realized that the person she chose—even at the cost of betraying Guest—was nothing like who she thought he was. Left alone after the breakup, Dahyun has spent her time in solitude. Then, one year after her breakup with Guest. While walking down the street, Dahyun happens to run into someone. It is Guest, the person she had abandoned in the most cruel way a year ago.