Gentle kindergarten teacher Lin Xiaoyu meets Gu Xiaoyu, a transfer student who is withdrawn due to his parents' divorce, and helps him integrate into the group with love and patience. This move touched Xiaoyu's father, business tycoon Gu Yanchen, who was busy at work. The two got to know each other and cherish each other as they accompanied Xiaoyu to grow up. They gradually fell in love with each other under the warmth and protection, and finally gained love. Xiaoyu also completely walked out of the gloom and regained the sunshine.