Watching 1. Episode 1
On his birthday, So Mun's struck by a strange burst of light that leaves puzzling changes to his body. He finds answers inside the local noodle shop.
2. Episode 2
The Counters give Mun an extraordinary surprise. While contemplating whether he wants to join them, he's given a taste of the action.
3. Episode 3
Lim Ju-yeon and Kim Ung-min notice something is different about Mun. Ga Mo-tak heads to the police station for answers about his forgotten past.
4. Episode 4
In a confrontation with violent bullies, Mun loses control over his rage — and must face the consequences. Mo-tak is reunited with his old cellphone.
5. Episode 5
Do Ha-na saves Mun from the attacks of a powerful demon with a malicious tongue. Kim Jeong-yeong helps Mo-tak look into his last detective case.
6. Episode 6
While the Counters attempt to keep the truth behind his painful past from Mun, he discovers a mysterious memory card among his parents' belongings.
7. Episode 7
During a trip into his most traumatic memory, Mun has his first encounter with Ji Cheong-sin. Later, he leads the Counters to a car junkyard.
8. Episode 8
Things get personal for Ha-na as she takes down a familiar demon. The team tries to locate a reservoir tied to a case Mun's father had worked.
9. Episode 9
Cheong-sin leaves Mun in a bad state, but Chu Mae-ok is determined to save his life. The Counters set out to make the mayor's corruption public.
10. Episode 10
Wi-gen calls for an action that could take everything away from Mun. When stunning news about Cheong-sin is reported, the Counters can't believe it.
11. Episode 11
The Counters struggle in a mismatched fight against an increasingly dangerous Cheong-sin and the other demons. Mo-tak's memories resurface.
12. Episode 12
A heartbroken Mo-tak and the team plot revenge against Shin Myeong-hwi and his collaborators. While carrying out their scheme, a human corpse turns up.
13. Episode 13
As Cheong-sin becomes nearly unstoppable, the Counters learn there may be a way to defeat him for good. Mo-tak gets justice for Jeong-yeong.
14. Episode 14
Myeong-hwi's son notices something about his father isn't quite right. When Baek Hyang-hui kidnaps a young girl, the Counters rush after her.
15. Episode 15
The team welcomes back a Counter who's been overseas. After confirming his suspicions about his father, Shin Hyeok-u goes to Mun.
16. Episode 16
The final face-off against Myeong-hwi tests Mun and the other Counters' limits. In Yung, long-awaited reunions take place.
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