Eight-year-old outspoken girl Lin Xiaotang, along with her younger brother, is adopted from the orphanage by the Shen family. She shoulders expectations to help Shen Qingyan, a teenage boy who has closed off his heart and remained silent for three years, speak again. With her lively and sharp personality, she stirs up quite a bit of commotion as soon as she enters the Shen family, but slowly melts the boy's frozen heart. A rabbit doll hides a long-held secret; facing the evildoers who hurt her older brother, Xiaotang bravely protects her family and uncovers the buried truth.