Part 1

Eunbi choose Han Yian over Gong Taekwang in the end. Han Yian makes her happy, comforted her, make her feel comfortable, and protected her, that's why she choose him. As time goes by, she realized that Han Yian is still in love with her sister. Gong Taekwang on the other side met his childhood friend, Kim Hajin, after a long time. Eunbi had a hard time with her sister abroad, she cannot understand her heart. Until she realize that, she's making a mistake.