• GenreAction/SF
  • DirectorKim Won-seok
  • StarringLee Je-hoon, Kim Hye-soo, Jo Jin-woong
  • RatingPG 15
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Park Hae-young (Lee Je-hoon) is a criminal profiler and also a police lieutenant. Even though he is a cop, he doesn't trust cops due to his own past experience. One day, Hae-young hears someone talking through an old walkie talkie. This mysterious guy helps Hae-young to solve the cold cases. And Hae-young’s team leader, veteran detective Cha Soo-hyun (Kim Hye-soo) thinks this guy who is from the past is Lee Jae-han (Jo Jin-woong), her senior cop and first love, who died 15 years ago…