Signal - Season 1
Season 1
A walkie-talkie in the present somehow picks up signals from a detective in the past, Lee Jae Han. Police profiler Park Hae Young finds this walkie-talkie and uses it to help solve cold cases. Detective Cha Soo Hyun, who was once a rookie at Lee Jae Han's station, leads the cold-case team. Thanks to Park Hae Young (and Lee Jae Han), the team solves infamous cold cases. But communicating with the past has consequences.
Episodes
You're Doomed
Haunted by a classmate's kidnapping 15 years ago, Park Hae Young becomes a police profiler who's lost faith in the police force. This all changes when he stumbles upon an old radio that's receiving transmissions from the past.
We Still Have a Chance
After the Kim Yoon Jung kidnapping case, the Chief of police creates a cold case squad. Their first case is the infamous Gyeonggi Nambu serial murders.
We Can Prevent the Killings
During the investigation of the serial murders, Park Hae Young discovers that the radio transmissions are actually connecting him to the past.
We Found the Killer
The cold case squad figures out who the serial killer is, but not before the wrong suspect turns himself in.
Changing the Past Alters the Present
Park Hae Young begins asking questions about Lee Jae Han. Meanwhile, the police force in Lee Jan Han's time struggles with a string of larceny case
Catch Him by All Means
Park Hae Young figures out that Oh Kyung Tae's true objective is the father of the girl he kidnaps.
We Must Dig Deeper
Lee Jae Han catches the real culprit behind the burglaries, unwittingly changing the past for the worse again.
How Are You Alive?
The cold case squad finds Shin Da Hye, who has been living under the murder victim's identity.
Hongwon Dong Case
Park Hae Young uncovers another layer to Lee Jae Han's disappearance. An old demon from Cha Soo Hyun's past resurfaces.
Someone Has to Stop the Bad Guys
The Cold Case Squad is assigned to the serial murder, but the last the victims isn't identified. Cha Soo Hyun revisits a past trauma.
The One Last Case
The Cold Case Squad catches the Hongwon-dong serial killer, but Lee Jae Han's determination changes the past again.
The Case Was Manipulated
Park Hae Young becomes the prime suspect for the Section Chief's murder. Meanwhile, Lee Jae Han must find out who this "one" is before it's too late.
The Real Assailant
The Cold Case Squad secretly reinvestigates the Injoo gang rape case. Lee Jae Han finds out the connection Park Hae Young has to the case.
Not Now, But Maybe in the Past
Following the trail the Section Chief left, Park Hae Young uncovers the truth behind his brother's death. Meanwhile, Cha Soo Hyun finds Lee Jae Han's radio in Hae Young's possession.
Is It Really You?
Park Hae Young is framed and arrested for the murder of the Section Chief. Cha Soo Hyun sets out to save Lee Jae Han and to find the one witness who can bring down their enemy.
If You Don't Give Up
Lee Jae Han is set on bringing down Kim Bum Joo, despite knowing that he's going to die, but a certain transmission is about to make all the difference.
Recently Updated Shows
The Secret Lives of Mormon Wives
The scandalous world of a group of Mormon mom influencers implodes when they get caught in the midst of a swinging sex scandal that makes international headlines. Now, their sisterhood is shook to its core. Faith, friendship and reputations are all on the line. Will #MomTok be able to survive and continue to give the rulebook a run for its money, or will this group fall from grace?
Celebrity IOU
Celebrity IOU is a series where Hollywood A-listers express their deep gratitude to the individuals who have had a major impact on their lives by surprising them with big, heartwarming home renovations that bring everyone to tears.
Neighbours
The continuation of the long-running daily drama series—about the lives, loves, and challenges of the residents on Ramsay Street in Erinsborough, Australia, a fictional suburb of Melbourne.
Ghosts
Samantha and Jay throw caution to the wind when they convert their recently inherited country estate into a bed-and-breakfast. Call it mislaid plans. Not only is the place falling apart, but it's also inhabited by spirits of previous residents -- whom only Samantha can see and hear. Ghosts spins the funny, heartfelt story about a newfound dream that reveals connection and self-discovery aren't just for the living.