Kang-woo Gets to Know Dan's Identity

Yeon Seo helps the corps to do volunteer work at the sanatorium. She tries to show her sincerity to them, so she tries her best. She suggests Kang Woo that he should hold an audition for "Giselle". Ni Na goes to Elena to ask her for help. Meanwhile, Kang Woo gets to know that Dan is an angel.