S1 • E1
Since she was little, Ha-ram has relied on her sunglasses to keep her sanity, because without them, she begins to see terrible things.
S1 • E2
With something to get off their chest Soo-wan and Ha-ram both head to the hospital to see Moo-gang, but he doesn't recognize them at all.
S1 • E3
Along with the open-minded Jessan, Hanne gets the gang to agree to a seance. It ends in chaos, Jessan disappears, and for the first time the society is forced down into the dark, menacing basement.
S1 • E4
Devastated Ha-ram blames herself for Mu-gang's memory loss. 444 is desperate for Ha-ram's help, but Ha-ram isn't easily persuaded.
S1 • E5
Determined to save the boy, Ha-ram heads back to the city of Mujin alone. Black is reminded of his consequences if Ha-ram succeeds in her endeavor.
S1 • E6
Waking up from a nightmare about a videotape, Black realizes he's becoming more and more humanized and decides to hasten his search for his partner.
S1 • E7
While at the hospital to do a favor for Man-soo, Ha-ram sees a vision of a stranger's death that contains a crucial piece of information.
S1 • E8
Seung Chul's father realizes that Woo Byung Sik isn't dead. His abduction and terror plan to lure out Woo Byung Sik fails. Meanwhile, the truth about the butterfly watch is revealed, and Black starts to feel humane emotions.
S1 • E9
Tiffany is framed as a gold digger and attempts suicide with her daughter, Hyo Jin. Black tries not to interfere with their destined death. Man Soo thinks he really is the rapist and asks for forgiveness to Tiffany and Hyo Jin.
S1 • E10
After hearing an explanation abut Mu-gang's childhood photo, Black becomes troubled that Ha-ram Doesn't know the truth.
S1 • E11
At the site of the protest, Ha-ram foresees a fire accident involving a small child. Black crosses the line that a Grim Reaper should never cross.
S1 • E12
Despite a stranger's warning about meddling, Ha-ram tries to track down a serial murderer -- even though an investigation is already underway.
S1 • E13
As the detectives gather details about the psychopathic killer who's shaking up the country, Black continues his frantic search for Ha-ram.
S1 • E14
Black hurries back to the site of Ha-ram's disappearance. Crazy Dog gets hold of what appears to be a safe key belonging to Man-soo father.
S1 • E15
Shocked by the news report about his father, Man-soo asks to see Man-ho and demands to know the truth. Ha-ram's mother confronts Black.
S1 • E16
By retracing Mu-gang's steps on the day he was shot, Black gathers clues into the whereabouts of a videotape that contains definitive evidence.
S1 • E17
Black chases after leads that will help him solve Joon's case, which is still a mystery. Meanwhile, Ha-ram spots a shadow inside someone's body.
S1 • E18
Despite the urgent prodding from 416 and 007, Black becomes conflicted about whether to turn in the laptop as evidence.
Han Moo-gang
Kang Ha-ram
Yoon Soo-wan
Grim Reaper No. 007
Oh Man-soo
Na Gwang-gyun
Kang Ha-Ram
Ha-ram's mother
Bong Man-shik
Oh So-Tae