Wen Wenning, a medical school graduate, returns to her hometown to attend her cousin's wedding, but gets entangled in a marital controversy, intersecting her life with Gu Zihan's. Facing the sudden relationship, she insists on independent choices, and the two agree to spend three months getting to know each other. In island life, Wen Wenning treats patients with solid medical skills, helps neighbors, and gradually sees Gu Zihan's sincerity and sense of responsibility. From unfamiliar testing to mutual trust, the two firm up their feelings through joint rescue and daily companionship, facing life's tests hand in hand and guarding their family and hard-won happiness.