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1x1 Code ZERO
Season 1 Episodes
12 episodes
1. Code ZERO
On his first day, Detective Jin Ho-gae works jointly with firefighters to resolve a kidnapping case.
2. Code TWO
The first responders try to stop a suicide attempt, but the case turns out to be more complicated.
3. Code YELLOW
Ho-gae's house is said to be haunted. He and Do-jin try to solve the mystery that lies in the ashes.
4. Code V30
A driver is arrested after a hit-and-run accident of a child. A shocking truth awaits.
5. Code BLACK
Ho-gae starts an undercover operation. He must stop a crisis that may result in mass casualties.
6. Code RED
An unidentified body is found at the scene of a fire. An unlikely person is held as a suspect.
7. Code BLUE
Ho-gae identifies a new suspect, while the case becomes evermore ensnared in mystery.
8. Code CLEAR
Ho-gae reinvestigates a murder case and gets help from Song Seol and Yoon Hong.
9. Code PINK
Firefighters rush to save a teenage girl attempting suicide. Police find a body of a newborn baby.
10. Code AMBER
The first responders search for the father of the stillborn child. They then meet a strange patient.
11. Code ONE
Ho-gae misses Hyun-seo by a second. He and Seol pursue the evasive kidnapper.
12. Code F63.1
A series of fire incidents occur. Do-jin suspects a chain arson and goes to see Ho-gae.
