Dae-sung decides to give up on becoming a civil servant and helps his mother at her supermarket to avoid losing his girlfriend, Do Ah-hee.

At the cathedral where Bo-yeon's slipper is found, Dae-sung finds key evidence; he also realizes that inside Kyung-ah's shopping bags hanging on her door are items sold at MS Mart, so he starts tracking the stalker through customers' shopping lists.

The neighborhood is plunged into chaos after a secret is revealed; an investigation points to a suspect in Bo-yeon's murder, but there is no evidence; Dae-sung follows a suspect and discovers a truth that leaves him cold.

With Five Thousand Won's alibi confirmed, Ji-woong begins to suspect Dae-sung; when Dae-sung's fingerprints are found at Kyung-ah's murder scene, he is immediately arrested; the true killer must be found to clear his name and protect MS Mart.

Yool runs into Five Thousand Won as she hurries off somewhere; as Dae-sung and Myung-sook begin looking for Yool, they grow suspicious of Chun-gyu's behavior; tension heightens between Veggie and Meat, and Veggie faces a crisis.

Another case of attempted murder puts the neighborhood in shock; Ji-woong still suspects Dae-sung, and someone even makes a false report on him; Dae-sung starts doubting everyone working at the mart; he finds out Yool is being abused.