Rural doctor Chen Zhiyuan has been deeply rooted in the grassroots providing medical care for twenty years, upholding a benevolent heart as a healer and enthusiastically helping needy folks in his village. On his way to his father-in-law's birthday banquet, he happened to encounter a traffic accident, stepped forward to rescue the injured Gu Minglan, and upon learning that the other party urgently needed rare panda blood, took the initiative to donate blood, leaving without a name as he hurried to the banquet. At the banquet, his dusty appearance provoked misunderstanding from everyone, and his family misunderstood due to a lack of understanding of the truth, creating a rift between husband and wife, with only his daughter consistently trusting him. Gu Minglan searched extensively to find Chen Zhiyuan and visit him to express her gratitude, resolving all misunderstandings. Chen Zhiyuan adhered to his original aspiration, devoted himself to public welfare medical care, and took root in the countryside to guard the health and well-being of the common people, and his good deeds finally received an echo.