Security Deposit Dispute

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.