Designer Lin Zhixia is framed by a colleague and loses her job, and then encounters her grandmother's passing, returning to Qingju Village with a body full of distress. Facing debts and villagers' doubts, relying on her grandfather's old recipe for tangerine red ointment and her own professional skills, she deeply cultivates citrus deep processing, develops the orange orchard's agri-cultural tourism, withstands the layers of suppression from competitors, leads the whole village to forge a new path of industrial common prosperity, and also guards the orange orchard and wishes left by her ancestors.