Signal Korean Drama Asian. Wiki. User Rating. Current user rating 9. You need to enable Java. Script to vote. Profile. Drama Signal. Revised romanization Sigeuneol. Hangul. Even though he is a cop, he doesnt trust cops due to his own past experience. Back in 2. 00. 0, when Hae Young was in elementary school, his classmate Yoon Jung was kidnapped and later found dead. Hae Young saw a woman taking Yoon Jung from school that day, but the police announced that the suspect was a man. Hae Young even went to the police station and told the police officers that he saw the kidnapper and she was a woman. The police officers though didnt pay attention to him. Naruto Shippuden Asuma Death Episode. Amber Liu Traditional ChineseThe killer was never caught and her case remains unsolved to this day. Meanwhile, veteran detective Soo Hyun Kim Hye Soo is at the cafe staking out the meeting, unaware that Hae Young is a cop. She arrests Hae Young for stalking celebrities. While leaving the police station the same police station he went to as a kid, Hae Young hears someone talking to him. He looks around to find a walkie talkie. The man who is talking to Hae Young is Detective Jae Han Cho Jin Woong. The detective though is from the year 2. Hae Youngs elementary school classmate. Hae Young and Detective Jae Han begin to communicate via the walkie talkie.