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.

On the anniversary of Jun's death, Mr. Shin visits Yun Dong-hee, who killed his son 15 years ago, in prison. There, he unexpectedly runs into Choi Cheol, the detective who was in charge of the case at the time. As Pillip delves deeper into Mr. Shin's past, he uncovers the tragic story of his son's death. Meanwhile, Kim Sang-geun asks Mr. Shin and Pillip to mediate a dispute over a house security deposit return. But in this case, both the plaintiff and the defendant seem like victims.