Oh In Yeong, once a member of a popular girl group, now struggles with fading fame. Hoping to revive her career, she joins a reality TV show that pairs fake mothers- and daughters-in-law. On the show, she’s matched with Yang Chun Ja, a proud and traditional matriarch of a prestigious clan. Their clashing personalities make them instant enemies on screen.

But life has a twist in store—what starts as a fake relationship turns real when In Yeong ends up becoming Chun Ja’s actual daughter-in-law. As the two women navigate their unexpected bond, they learn, clash, and grow in surprising ways.