Ryujin and Yeji were childhood best friends along with Yuna, Chaeryeong and Lia. The two girls fell in love with one another and the girls supported them as well as their families. One time, Yeji has to choicelessly leave them and Ryujin without telling. She went to New York to live with her family and had a relationship with Seo Joo. When Yeji left, Ryujin was found miserable and depressed. She went careless to herself which led her to a traumatic accident that changed her life upside down. The woman became blind without anything to see. After many years had passed, Yeji came back in town and met Ryujin once again. What could possibly happen? Will Ryujin forgive and accept Yeji after leaving her cluelessly that made her life miserable and hopeless? Will they still get the chance to be back together?