It turns out that the amount of poison the late Yeom Sang Goo took was minimal and thus, he did not die due to that. The team is back to square one and begin the investigation all over again. Meanwhile, Eun Sol obtains footages of both Sang Goo’s son and daughter taking him outside of his home. She also finds out that Sang Goo left around 600,000 to 700,000 dollars in inheritance.
다시 원점으로 돌아간 수사는 난관에 봉착한다.
은솔 일행은 끈질기게 사건을 추적한 결과, 염 씨 가족에 대한 새로운 사실을 알게 되는데..