The wait is finally over — Signal is returning with a long-awaited second season! The 2016 thriller captivated audiences with its gripping storyline, intertwining past and present through a mysterious walkie-talkie that allowed detectives from different timelines to communicate.
Known for its intense crime-solving, emotional depth, and masterful storytelling, Signal became one of tvN’s most celebrated dramas. Now, a decade later, the original cast is reuniting for Signal 2, set to premiere in 2026 as part of tvN’s 20th-anniversary lineup!
How Signal Season 1 Ended
The first season ended on a haunting note, leaving viewers with more questions than answers. Detective Lee Jae Han (Cho Jin Woong), who had been communicating with profiler Park Hae Young (Lee Je Hoon) through a mysterious walkie-talkie, seemingly disappeared, leaving his fate unknown.
The final episode showed Hae Young receiving one last transmission from Jae-Han, sparking hope that he might still be alive. Meanwhile, Cha Soo Hyun (Kim Hye Soo), who had been searching for Jae Han for years, was left in emotional turmoil.
As Hae Young pieced together the clues, the past and present began to shift, suggesting that time had been altered — but whether for better or worse remained unclear. The drama concluded with an open-ended scene where the walkie-talkie crackled back to life, hinting at more unresolved cases.
Signal 2 Officially Announced by tvN – New Details Revealed!
Signal 2 will continue the genre-defining mix of crime and thriller elements across eight episodes. The original main cast — Kim Hye Soo, Cho Jin Woong, and Lee Je Hoon, will return, along with Ahn Jae Hong joining the lineup.
The drama will be helmed by director Ahn Tae Jin, known for The Night Owl, while renowned screenwriter Kim Eun Hee, who also wrote Signal, Kingdom, and Revenant, will lead the script. Production is set to begin in early February 2025, with scripts for the first five episodes already completed. With tvN investing heavily in its anniversary projects, Signal 2 is expected to be one of the network’s biggest releases.
What to Expect in Signal 2
With the sequel officially confirmed for 2026, fans are eager to see how the story will continue. Will Jae Han’s fate finally be revealed? Has the past changed enough to alter the course of events in the present? The return of the original cast suggests that the time-bending investigations will pick up where they left off, potentially introducing new unsolved crimes.
Signal 2 is scheduled for an early 2025 filming start, with Secret Forest 2 director Ahn Tae Jin taking the helm and Kim Eun Hee returning as the writer. The sequel will consist of eight episodes, promising a tightly woven, suspense-filled narrative.
With ten years of anticipation building up, Signal 2 is set to be one of the most highly anticipated K-dramas of the decade!
Will it live up to expectations? Fans will have to wait until 2026 to find out. Share with us your theory on upcoming season of Signal in the comments below!
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