About this season
In this fantasy investigation series, investigators from two eras must hunt for the truth in old unsolved cases, communicating only through an old radio. The signal between the past and the present only opens at 23:23.
Episodes (22)
1. Mysterious Signal
10.0Aired 20 January 2023 • 60 min
Win received a radio signal from a police officer named Yodchai, reporting the discovery of the body of a suspect in a murder case from 20 years ago. This prompted the investigation team to reopen the case, which is set to expire within 24 hours.
2. Justice Has an Expiration Date
Aired 21 January 2023 • 63 min
The hunt for the real culprit who murdered young Noina has begun. Lieutenant Win and Inspector Risa must track down the killer before the case reaches its statute of limitations in 24 hours.
3. Time-Crossing Murder
Aired 27 January 2023 • 62 min
"The Black Case Team" investigates unsolved cases. Wint spoke over the radio with Yodchai again. Wint wondered why Yodchai was investigating an old case where a young woman had been murdered, even though it had happened a long time ago.
4. Yotchai's Lover
Aired 28 January 2023 • 63 min
Captain Yodchai is imprisoned, and Win informs him that there will be another murder victim-Ruedee, Yodchai's beloved. This forces Yodchai to find a way to escape from his cell and save the woman he loves in time.
5. We Are in Different Times
Aired 3 February 2023 • 61 min
After Yodchai failed to save his beloved, and after Win closed the Paet Riu case, Win tried to find Yodchai-only to realize that their communication through the radio was taking place in different timelines.
6. Time-Cross Investigation
Aired 4 February 2023 • 58 min
Yodchai lost contact with Win for six years, while for Win it had only been a week. Yodchai was working on the Manun Prosecutor's house case, and thus he and Win began another cross-time investigation.
7. If We Could Change the Past
Aired 10 February 2023 • 55 min
Udom, the burglar, sought revenge on the one who caused his daughter's death, but his plan went wrong, and Risa was killed in the explosion instead.
8. We Shouldn't Contact Each Other
Aired 11 February 2023 • 58 min
Inspector Risa came back to life, but Win no longer wanted to communicate with Yodchai, fearing that if the past changed, the present would face another loss. Meanwhile, the Black Case Team began a new investigation.
9. The Insider
Aired 17 February 2023 • 63 min
The return of the woman who had already died was connected to Rome, Prosecutor Manun's son, and to evidence of corruption involving the Sinthawee Bridge. Meanwhile, the Black Case Team was being threatened by dark influences.
10. The Red Bag Killer
Aired 18 February 2023 • 65 min
Win and Yodchai communicated through the radio once again, as Yodchai began investigating a serial killer who suffocated victims by covering their heads with a bag and tightening it until they died.
11. Memories
Aired 24 February 2023 • 65 min
In the past, Risa was abducted by the killer but managed to escape. She then volunteered to undergo hypnosis to recover her memories once again, to find clues to the killer who was still at large.
12. My Heavy Wings
Aired 25 February 2023 • 58 min
Risa's recovered memories led her to walk along the streets he once ran through in the past. She eventually arrived at the murderer's house, where she discovered crucial evidence and the final victim.
13. A Message from the Lake
Aired 3 March 2023 • 65 min
Win pleaded with Yodchai to help with the student gang rape case at Panyatawee School, which was the last case written on Yodchai's note. The case was under the supervision of Inspector Komdech.
14. Going Home, Son
Aired 4 March 2023 • 64 min
Yodchai began investigating the case, and many things seemed to have been staged. Still, he was determined to fight for justice for Wat, Win's older brother.
15. The Truth About Rada
Aired 10 March 2023 • 63 min
Win asked Yodchai to stop working on the case, fearing that Yodchai might be in danger. Yodchai insisted on continuing the fight for justice, while Win became a suspect in the murder of Deputy Pakdee.
16. The Voice of Yotchai
Aired 11 March 2023 • 65 min
Wat wanted to give Yodchai the evidence that would prove his innocence in the gang rape case. Deputy Pakdee, who was supposed to provide crucial evidence to Win, was killed to silence him.
17. The Wait
Aired 17 March 2023 • 60 min
Wat was killed to keep him quiet, and Win became a suspect in Deputy Pakdee's murder. Risa heard a mysterious radio transmission and provided clues about the case, while also needing to track down Chati, the key culprit.
18. The Promise
Aired 18 March 2023 • 64 min
In the present world, Win was shot. In the parallel world, Yodchai captured the key culprit, Commissioner Komdech. When Win regained consciousness, he found that current events had changed, and he began searching for Yodchai once again.
19. Episode 19
Aired 24 March 2023 • 44 min
20. Episode 20
Aired 25 March 2023 • 44 min
21. Episode 21
Aired 31 March 2023 • 44 min
22. Episode 22
Aired 1 April 2023 • 44 min