Ki-jeong manages to fool the entire Park household in order to secure high-earning jobs for her family.
When they are in hostage at the living room under Moon-gwang and her husband, the Kims fight back by Chung-sook, along with Ki-taek, knocking both of them down from sofa and Ki-jeon using peaches to induce Moon-gwang's allergic reaction.
The tense clean-up scene. The Kims successfully cover their tracks and hide themselves from the Parks in the nick of time. The whole thing culminates in a final close call situation between Chung-sook and Moon-gwang that's both hilarious and satisfying... until someone gets seriously hurt.
Chung-sook going full Mama Bear by piercing a skewer into Geun-sae's body right after he stabbed Ki-jeon with a kitchen knife.
For those who aren't sympathetic toward the Kims, Moon-gwang and her husband managing to put the Kims under their hostage in the living room.