Air date: 2025-09-05

Runtime: 60 min

When a series of terrible murders ensues in a residential area, Cha Su-yeol is forced to seek help from Jeong I-sin, a serial killer from the past.

Air date: 2025-09-06

Runtime: 61 min

The culprit has been arrested, but the victim’s whereabouts remain unknown. Su-yeol struggles to save a life as I-sin reveals her true intentions.

Air date: 2025-09-12

Runtime: 61 min

I-shin offers assistance with the investigation, but it's unclear why she would help a cop. Su-yeol unravels the origins of I-shin's murderous instinct.

Air date: 2025-09-13

Runtime: 60 min

The culprit begins to close in on Su-yeol's family. I-shin pressures Su-yeol to take action — but she happens to be the one threatening his family.

Air date: 2025-09-19

Runtime: min

Air date: 2025-09-20

Runtime: min

Air date: 2025-09-26

Runtime: min

Air date: 2025-09-27

Runtime: min