Mr. Shin steps in as a negotiator representing the hostage-taker. Risking his life, Mr. Shin leads tense negotiations in a desperate bid to save both the hostage and the perpetrator. Meanwhile, Pillip and Officer Kim uncover the illegal ties between Yongdan City and the fertiliser factory, and urgently relay the information to Shin. However, the negotiation ultimately falls through, and a deafening explosion erupts, engulfing the site in flames.

Si-on is harassed by her old classmate Choi Yong-min while out on a delivery. Pillip steps in to protect her. Furious that his employees have been harmed, Mr. Shin takes matters into his own hands. Meanwhile, Mr. Shin and Philip uncover a deeper conspiracy, one that leads directly to City Councilman Choi Woong-sik, Choi Yong-min's father.

Mr. Shin uncovers hidden corruption involving Choi Woong-sik. To put a stop to Choi's reckless rampage, Mr. Shin declares his candidacy for the city council. However, a sudden food poisoning incident at Mr. Shin's chicken restaurant throws his campaign into an unexpected crisis. Meanwhile, Pillip relentlessly pursues evidence of a school bullying scandal involving Choi Yong-min.