In "Signal" Jo Jin Woong changed the future.
On the 11th episode of tvN Friday/Saturday drama "Signal" (script Kim Eun Hee, director Kim Won Suk) broadcast on Feb. 26th, Lee Jae Han (played by Jo Jin Woong) apprehended Kim Jin Woo (played by Lee Sang Yeop), who was a serial murderer of Hong Won Dong.
Park Hye Young (played by Lee Je Hoon) didn't talk about Kim Jin Woo but Lee Jae Han of the past went to look for Kim Jin Woo. In the end, he went to find the culprit but the unresolved case was resolved. Thanks to this, the future had changed.
The victims were alive again and were still surviving.
Meanwhile, "Signal" is about two detectives - one from the past and one from the present who communicate through walkie talkies to resolve long-time unresolved cases.
