The kidnapper has contacted Soo Yeon demanding 100,000 dollars as ransom. The police have put trackers on Soo Yeon and decide to follow her while she drops off the ransom. Suddenly, the kidnapper changes the location of the deal to lose the cops. While chasing after the kidnapper, an unfortunate accident causes problems for the team.
생일파티를 하던 중 한수연의 눈에서 사라진 딸 서현이.
한수연은 혼비백산하고.. 충격적인 소식에 모두가 다급하다.
국과수와 동부지검은 합동수사본부를 꾸려 서현이를 찾기 위해 모든 기술을 총동원하는데..
