In Woo tries to get close with Dong Sik after secretly following him and seeing him kidnap Ji Hoon. In Woo becomes the director of the Asset Management Team and promotes Dong Sik to assistant manager. Dong Sik later finds out that he had written a suicide note on the day of killing the homeless man and is thrown into confusion. Meanwhile, Bo Kyung, who is after the serial killer, starts to find Dong Sik's behavior strangely suspicious.

跟踪绑架徐智勋的陆东植，接近东植的徐仁宇！凭借仁宇的宠爱和业绩晋升为代理的东植知道了自己写过遗书的事实。另外，追踪连环杀人事件的沈宝静开始追捕东植的可疑行踪…！

서지훈(유비)를 납치한 육동식(윤시윤)을 미행하고 동식에게 접근하는 서인우(박성훈)! 인우의 총애와 실적에 힘입어 대리로 승진한 동식은 본인이 유서를 썼었다는 사실을 알게 된다. 한편, 연쇄살인사건을 추적하던 심보경(정인선)은 동식의 수상한 행적을 쫓기 시작하는데...!

Seo In-woo (Park Sung-hoon) podąża za Dong-sik Yukiem (Yoon Si-yoon), który porwał Ji-hoon Seo (Yoo Bi) i zbliża się do Dong-sika! Dong-sik, który awansował na zastępcę kierownika dzięki przychylności i osiągnięciom In-woo, dowiaduje się, że In-woo napisał testament. Tymczasem Sim Bo-kyung (Jung In-sun), który śledził sprawę seryjnego morderstwa, zaczyna śledzić podejrzane działania Dong-sika...!