Xia Hehe grew up deep in the mountains, where she became kindhearted, brave, resilient, and independent. During a dangerous incident in the mountains, she risked her life to save Gu Mingyu and unexpectedly uncovered the truth about her identity: she had been switched at birth twenty years ago. Faced with family conflicts and one painful ordeal after another, she never lost her kindness or stayed true to her original values. With Lu Chenzhou by her side, she bravely overcomes her difficulties. In the end, she reunites with her biological mother and decides to devote part of her share dividends to disaster prevention, medical care, and education in mountainous regions, passing on the warmth she has received to others in need.