Kyung-hee and her family successfully move into a luxury Cheongnam-dong townhouse. But as rumours spread that her husband, Jae-hong, is having an affair with a fellow actress, the famous influencer decides to tail him.

Kyung-hee's neighbour, Soo-jung, is in a fierce custody battle with her ex-husband, Bo-sung. As the opposing lawyer's petty pressure intensifies, she turns to a private investigator for the first time.