Signal episode 4 Recap and FAQ
Episode Summary
In a gripping turn of events, Detective Lee Jae-han and Lieutenant Park Hae-young delve into a series of chilling murders linked to Bus 95. The investigation initially points to bus driver Lee Chun-goo as the culprit. However, a shocking twist reveals that the true perpetrator is Lee Chun-goo's son, Lee Jin-hyung. The case takes an emotional toll on Jae-han, particularly in his failure to save victim Kim Won-kyung. In the end, the truth surfaces, incriminating Jin-hyung through decisive evidence, and bringing a complex mix of closure and sorrow.
Full Episode S00E04 Recap
Frequently Asked Questions
Who is Detective Lee Jae-han?
Detective Lee Jae-han is a central character involved in the investigation of the serial murders.
Where was the body discovered in the opening scene?
The body was discovered in a field of reeds next to an acacia forest by Highway 3.
What is the significance of Bus 95 in the investigation?
Bus 95 is crucial as it links the victims, who were all murdered after taking the bus home.
Who was initially suspected of being the killer?
Lee Chun-goo, a bus driver, was initially suspected to be the killer.
How is Lee Jin-hyung related to the case?
Lee Jin-hyung, the son of Lee Chun-goo, is revealed to be the actual serial murderer.
What is the relationship between Park Hae-young and Lee Jae-han?
Park Hae-young and Lee Jae-han collaborate in the investigation, with Hae-young experiencing transmissions from the past involving Jae-han.
How does the episode portray Lee Chun-goo's reaction to his son's guilt?
Lee Chun-goo is in denial and struggles emotionally with the revelation of his son's crimes.
What evidence finally incriminates Lee Jin-hyung?
Decisive evidence including fingerprints, blood of the last victim, and DNA linking him to the murders.
Why does Lee Jae-han feel tormented?
Lee Jae-han is tormented by his inability to save the victims, particularly Kim Won-kyung.
How does the episode conclude?
The episode concludes with Park Hae-young and Jae-han reflecting on the case, acknowledging Jae-han's contribution to solving it.
What role do the victims' families play in the episode?
The victims' families add emotional depth, highlighting the impact of the murders on them.
What is the significance of the radio transmissions?
The radio transmissions represent a connection between the past and present, aiding in the investigation.
How is the killer's identity finally revealed to the public?
The killer's identity is revealed during a press briefing by law enforcement, with evidence presented by Detective Cha Soo-hyun.
What is Lee Chun-goo's reaction to his son's arrest?
Lee Chun-goo is devastated and in disbelief, insisting on his son's innocence.
How does the case affect Detective Lee Jae-han personally?
The case deeply affects Jae-han, leading him to reflect on the nature of justice and the importance of remembering the victims.
