Season 1
Gu San-yeong is possessed by an evil spirit after receiving a relic of her dead father. She meets Yeom Hae-sang, a folklorist who can see ghosts and spirits, and enters a completely different world from what she once knew.
Episodes
1. Episode 1
Folklorist Hae-sang warns San-yeong that she is possessed and that people around her will die.
2. Episode 2
San-yeong sees a ghost for the first time and eventually faces the evil spirit that possesses her.
3. Episode 3
San-yeong and Hae-sang arrive in the new city and witness a strange shadow of a tree.
4. Episode 4
San-yeong and Hae-sang encounter unexpected things at Baekchagol Village.
5. Episode 5
San-yeong hears a shocking story from Gyeong-mun. Hae-sang feels that Baekchagol Village has a secret.
6. Episode 6
Hae-sang takes the blue pottery to his grandmother, Byeong-hui, and San-yeong discovers old photos.
7. Episode 7
San-yeong and Hae-sang are no longer able to trust each other. San-yeong looks into U-jin's identity.
8. Episode 8
San-yeong understands and sympathizes with Kang-mo's decision, while Hae-sang falls into despair.
9. Episode 9
The evil spirit's murder makes San-yeong and Hae-sang question its true identity.
10. Episode 10
San-yeong and Hae-sang chase after the remaining two items to identify the evil spirit's real name.
11. Episode 11
Only one item remains to get rid of the evil spirit. The spirit tries to stop them by all means.
12. Episode 12
San-yeong's shadow returns to its original state and Hae-sang realizes that something is wrong.