Sim Chung-Yi has an absolute sense of sight which allows her to identify thousands of colors. She also has a bright personality. Sim Chung-Yi meets Ma Poong-Do who is a pianist. He is highly skilled on the piano, but he receives criticism that he has lack of sensibility. Sim Chung-Yi and Ma Poong-Do develop romantically. Sim Chung-Yi also tries to find a secret of her father.
Sim Chung-Yi
Ma Poong-Do
Yeo Ji-Na
Baek Shi-Joon
Sim Hak-Kyu
Bang Deok-Hee
Ma Young-In
Ma Jae-Ran
Seo Pil-Doo
Jung Moo-Sim
Oh Gwi Nyeo
Ko Yeo-jung
Ryan