Season 1
November 12, 2022
Police combat crime and firefighters combat fire. The first responders cooperate in crises.
12 Episodes
Episodes
Code ZERO
November 12, 2022
On his first day, Detective Jin Ho-gae works jointly with firefighters to resolve a kidnapping case.
Code TWO
November 18, 2022
The first responders try to stop a suicide attempt, but the case turns out to be more complicated.
Code YELLOW
November 19, 2022
Ho-gae's house is said to be haunted. He and Do-jin try to solve the mystery that lies in the ashes.
Code V30
November 25, 2022
A driver is arrested after a hit-and-run accident of a child. A shocking truth awaits.
Code BLACK
November 26, 2022
Ho-gae starts an undercover operation. He must stop a crisis that may result in mass casualties.
Code RED
December 2, 2022
An unidentified body is found at the scene of a fire. An unlikely person is held as a suspect.
Code BLUE
December 3, 2022
Ho-gae identifies a new suspect, while the case becomes evermore ensnared in mystery.
Code CLEAR
December 9, 2022
Ho-gae reinvestigates a murder case and gets help from Song Seol and Yoon Hong.
Code PINK
December 10, 2022
Firefighters rush to save a teenage girl attempting suicide. Police find a body of a newborn baby.
Code AMBER
December 16, 2022
The first responders search for the father of the stillborn child. They then meet a strange patient.
Code ONE
December 17, 2022
Ho-gae misses Hyun-seo by a second. He and Seol pursue the evasive kidnapper.
Code F63.1
December 30, 2022
A series of fire incidents occur. Do-jin suspects a chain arson and goes to see Ho-gae.
