BY Christine Han | Jan 23, 2016 12:35 AM EST
In "Signal" Kim Hye Soo revealed her shy nature in front of her first love Jo Jin Woong.
On the first episode of tvN Friday/Saturday episode "Signal" broadcast on Jan. 22nd, Jae Han (played by Jo Jin Woong) investigated the case of the elementary school student who had disappeared.
On this day, Jae Han went closer to the core of the elementary school student kidnapping incident. This investigation had been centered on the possibility that a male university student was the one who was the culprit. Nonetheless, Jae Han had argued that it was needed to look further into Young Joon's girlfriend. With that, he said to Beom Joo (played by Jang Hyun Sung), "You go investigate. You alone. You like doing that right? But you're going to have to be careful and look over your shoulder. I feel very upset about this."
There, the person who had appeared in front of Jae Han was none other than Soo Hyun (played by Kim Hye Soo). Soo Hyun said shyly, "That's what I said back then" and Jae Han said, "Let's talk about this when it's all over" and stopped her.
Meanwhile, "Signal" is a scientific fiction drama featuring detectives form the present and a detective from the past who are communicating through walkie talkie. With that, they resolve mysteries of unsolved cases.
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