[Official] Kim Hye Soo, Jo Jin Woo and Lee Je Hoon meet in 2026 in ”Signal” Season 2... Reconnecting over the air for the first time in 10 years

The desperate signal of the radio is ringing out once again! The tvNTV series "Signal," which caused a huge number of hot topics and syndromes in 2016, has confirmed the launch of season 2.
On the 5th, tvN announced, "The TV series 'Signal', which has been loved by viewers, will be returning with 'The Second Signal.' The series is scheduled to air in the first half of next year, which marks the 20th anniversary of tvN's founding.
"Signal," which aired in 2016, is a story about detectives from the past and present who are connected by a desperate signal (radio) from the past.
It is an investigative drama that rediscovers long-standing unsolved cases. It has a unique theme of resolving long-standing unsolved cases through a walkie-talkie that connects the past and the present, and the desperation of detectives from the past and present solves unsolved cases.
The film received great acclaim, with its powerful story and memorable lines such as, "The past can change. Don't give up."
In the meantime, tvN's "Second Signal," scheduled to air in the first half of next year, will feature a reliable actor just by looking at his name.
The main cast of season 1 includes Kim Hye Soo as Cha Soo-hyeon, a detective in the long-term unsolved cases team, Jo Jin Woo as Lee Jae-han, a detective in the violent crimes division, and
Lee Je Hoon, who plays the role of profiler Park Hae-young, will be joining the cast again. Writer Kim Eun-hee will be taking on the role of scriptwriter for the previous film, and will be directing the film "Owl."
Director Ng Tae-jin is taking the helm to tease the revival of this highly polished time slip investigation drama. In particular, season 1 hinted at the survival of Lee Jae-han, who has been missing for 15 years.
With the series coming to an end, expectations are high for what story will unfold in season 2. The production team of tvN's "Second Signal" said, "We are very grateful to the viewers who showed us the story in season 1.
We plan to make every effort to deliver an even more interesting and profound Season 2 in order to repay the love. We ask for your interest and anticipation for 'Second Signal.'"
Meanwhile, tvN's new TV series "Second Signal" will be broadcast in the first half of 2026.