The police begin investigating the body that Dae Sung and Nunchucks Grandpa found. However, Dae Sung becomes nosy again and starts digging into this by himself. His way of investigation is looking into the shopping list of the victim. With the clues that he obtains from there, he notices a suspicious person within the neighborhood. (Source: Viu)

People now know that Nunchucks Grandpa is the notorious five-dollar bill counterfeiter. Although some evidence show that Five Dollars is the murderer, it is not enough to prove his guilt. Dae Sung is upset that the counterfeiter might be set free. However, he witnesses someone else at the murder scene who definitely seems suspicious. (Source: Viu)

Five Dollars eventually becomes free from being a suspect. However, the police now suspect Dae Sung. To clear his name, A Hee, Dae Sung, and Myung Sook investigate everyone in the neighborhood. Currently, although their biggest suspect is Fish, Products also seems to be very busy right after the murders occurred. With every possibility in mind, the supermarket investigation begins. (Source: Viu)