Six years ago, Mi-kyung, who was in a workplace romance at Wonjin Retail, lost both love and her job due to her boyfriend’s betrayal and impulsively ran away to her younger brother’s guesthouse. One day, while researching potatoes in the fresh air of Daegwallyeong, news comes that Seonnyeo Foods is acquired by Wonjin Retail, and an attractive yet cold-hearted figure, Baek-ho, is appointed as the new head of the Potato Research Institute. Kim Mi-kyung and So Baek-ho don’t get along and they have conflicts on pretty much everything.