Who Are You? S01 E10

Go Ara (as Goo Ra-Ra) Lee Jae-wook (as Sun Woo-Joon) Kim Ju-hun (as Cha Eun-Seok) Shin Eun-soo (as Jin Ha-Young) Ye Ji-won (as Jin Sook-Kyeong) Lee Soon-jae (as Kim Man-Bok) Moon Hee-kyung (as Gong Mi-Sook) Seo Yi-sook (as Jo Yoon-Sil) Choi Gwang-il (as Sunwoo Myung) Jeon Su-kyung (as Im Ja-Kyeong) Kim Ju-yeon (as Kim Shi-Ah)

classical music pianist hidden identity piano riches to rags