Achiara is a quiet, peaceful village with hardly any crime. But on her first day of school there, English language instructor Kim So-yoon discovers a buried corpse. As the townspeople speculate on the identity of the dead person and the reason she was killed, So-yoon and policeman Park Woo-jae become determined to solve the mystery.
Episode 1
Achiara
Oct 7, 2015
Han So-Yoon, a Korean woman living in exile in Canada, returns to her homeland after taking a job as an English teacher in a small village called Achiara. On her first day of work, she unwittingly unearths the body of a young woman, apparently the victim of a serial killer.
Episode 2
Children
Oct 8, 2015
Seo Yoo-Na gives her statement to Officer Park Woo-Jae after she was assaulted in the street. So-Yoon asks more questions about Kim Hye-Jin, the missing woman.
Episode 3
The Woman Nobody Is Looking For
Oct 14, 2015
So-Yoon makes a curious discovery about her sister while Agent Woo-Jae investigates Kim Hye-Jin's disappearance. Meanwhile, Yoo-Na and Ga-Young put themselves in danger.
Episode 4
Young Lady
Oct 15, 2015
The investigation into Kim Hye-Jin's disappearance turns into a murder case after new evidence is uncovered. Seo Gi-Hyun offers his help to So-Yoon in order to find Kim's sister.
Episode 5
The Reason for Their Silence
Oct 21, 2015
So-Yoon hires a detective to find her sister, but to no avail. The young woman is troubled by the resemblance between her sister and Kim Hye-Jin. Yoon Ji-Sook panics at the thought of a scandal tarnishing her family.
Episode 6
Funeral
Oct 22, 2015
A funeral is organized for Kim Hye-Jin by her mother, while the identity of the deceased is increasingly called into question. Ji-Sook urges her husband to have another child.
Episode 7
Mum, Save Me
Oct 28, 2015
Now certain that Hye-Jin was her sister, So-Yoon sets out to find the deceased's biological family, whom she suspects of being involved in Achiara's dark secrets.
Episode 8
Bengi Ahjimmae
Oct 29, 2015
The villagers have become hostile towards So-Yoon since the revelation of her connection to Kim Hye-Jin. The young woman, aided by Agent Woo-Jae, is searching for information regarding her sister's adoption.
Episode 9
Time Capsule
Nov 4, 2015
Episode 10
Blood Related
Nov 5, 2015
Episode 11
Just Wanted to Live
Nov 12, 2015
Episode 12
Very Old Crime
Nov 18, 2015
Episode 13
Monsters
Nov 19, 2015
Episode 14
Fear Is Strong
Nov 25, 2015
Episode 15
Murderer
Dec 2, 2015
Episode 16
Goodbye, Mother
Dec 3, 2015