Ji-O has a special power and a secret, but he doesn't know who he really is. He is chased by mysterious figures, while he tries to find answers to numerous questions that surround him. Goo-Reum is a detective. When she decides on a course of action, she won't change no matter what. Her parents disappeared when she was only a young child. Goo-Reum chases after the truth behind her parents' disappearance. She meets Ji-O and her life changes.
Kim Rae-won
Ji-O
Lee Da-hee
Ha Neul Ae Gu-Reum
Kim Seung-o
Yi-Son
Kim Sang-ho
Choi Jin-Hwan
Jin Kyung
Hwang Jung-A
Park Hyuk-kwon
Kim Cheol-Soo
Ahn Nae-sang
Ryu Joong-Kwon
Jeong Da-eun
Yoo-Na
Han Kyu-won
Kim Jin-Soo
Kim Kang-bin
Kim Tae-Oh
Go Jin-Soo
[Detective]
Moon Jung-dae
[Detective]
