Jin Hee, a dietitian, had a satisfying life until she met medical student Chang Min. Despite his wealthy family's opposition, they married. Chang Min later became a pharmaceutical salesman, straining their relationship further. The disapproval of Chang Min's family made matters worse, leading to their divorce. Afterward, Jin Hee pursued a medical career and became an intern. Chang Min also completed medical school and started working as an intern. Fate reunites them