A female victim is taken to the hospital with seven stab wounds on her body. She says that her boss tried to kill her, however, the suspect denies all the charges against him. Prosecutor Eun Sol is in charge of the case, and at the trial, she encounters Doctor Baek Beom who comes to the court to provide his expert opinion on the stab wounds.

爍試圖找出一樁密室刺傷案的真凶。範對兩名毒販進行屍檢。

CCTV도, 증거도 없는 밀실에서 일어난 사건을 해결하기 위해 고군 분투하는 은솔. 그때 법정에 나타난 백범 때문에 법정은 술렁인다. 한편, 인천항에는 범 죄의 느낌을 풍기는 수상한 남자들이 도착하는데...