In-ha puts two and two together, and realizes that this means someone at the plant edited the footage to cover up the real cause of the fire, and Mom is helping the cover-up by pointing all eyes in Chan-soo’s direction. Despite having suspected it, it still floors her that Mom is actually this evil.
Dal-po heads back out to try and track down neighboring factory security cameras, and In-ha worries that it’ll take him forever. She runs up to grab her coat and tells Beom-jo she’s headed out to do the same, and even though he points out her bloody nose, she says she’s fine and runs out.
Beom-jo is surprised when he finds a strange phone ringing in his bag—it’s Yoo-rae on the other end, wondering who stole her phone. He goes back to the precinct to give it back, and asks why Dal-po’s picture is her wallpaper. She says it’s to throw him a bone because she feels bad that he likes her, and Beom-jo gapes: “You don’t actually think he likes you for real?”
He realizes that she believed his lie in front of Dad and Grandpa, and explains that it was a lie… but then she’s so far gone that she tells him it doesn’t matter because that lie has turned into truth. He looks at her like she’s crazy and says there’s no way that Dal-po likes her, but she doesn’t even let him finish.
Dal-po calls just then to tell her that he’s searching nearby security cameras and can’t go to the baby birthday party, which she takes as some kind of proof that he likes her. But all Beom-jo hears is that he’s doing the very thing In-ha ran off to do. They head to the party, but Beom-jo suddenly tells Yoo-rae to take a cab and leaves her standing in the street.
Meanwhile, In-ha finds Dal-po and offers to split up the search with him, and he steals a little glance at her while she’s chattering away about CCTV cameras and maps.