• Air date: 12 Nov '22 12 episodes
      Police combat crime and firefighters combat fire. The first responders cooperate in crises.
  • List of Episodes (12)
    • 1. Code Zero

      12 Nov '22
      On his first day, Detective Jin Ho-gae works jointly with firefighters to resolve a kidnapping case.
    • 2. Code Two

      18 Nov '22
      The first responders try to stop a suicide attempt, but the case turns out to be more complicated.
    • 3. CODE YELLOW

      19 Nov '22
      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.

      25 Nov '22
      A driver is arrested after a hit-and-run accident of a child. A shocking truth awaits.
    • 5. CODE BLACK

      26 Nov '22
      Ho-gae starts an undercover operation. He must stop a crisis that may result in mass casualties.
    • 6. CODE RED

      02 Dec '22
      An unidentified body is found at the scene of a fire. An unlikely person is held as a suspect.
    • 7. CODE BLUE

      03 Dec '22
      Ho-gae identifies a new suspect, while the case becomes evermore ensnared in mystery.
    • 8. CODE CLEAR

      09 Dec '22
      Ho-gae reinvestigates a murder case and gets help from Song Seol and Yoon Hong.
    • 9. CODE PINK

      10 Dec '22
      Firefighters rush to save a teenage girl attempting suicide. Police find a body of a newborn baby.
    • 10. CODE AMBER

      16 Dec '22
      The first responders search for the father of the stillborn child. They then meet a strange patient.
    • 11. CODE 1

      17 Dec '22
      Ho-gae misses Hyun-seo by a second. He and Seol pursue the evasive kidnapper.
    • 12. CODE.F63.1

      30 Dec '22
      A series of fire incidents occur. Do-jin suspects a chain arson and goes to see Ho-gae.