Yoon Seo-rin, the Park chaebol’s daughter-in-law, devoted 7 years to Park Hyeon-suk and their daughter. After he left City B with her half a year prior, she spots their birthday party with his half-sister Yuna on hers—abandoned. She secretly preps divorce to vanish, as her family grapples with cracks and her past in this melodramatic revenge drama.