Gu Wanzhen, having returned from convalescence, discovers that her granddaughter Pei Nianhe, though dressed brightly, is growing increasingly silent. Facing her family's perfunctory attitude and misunderstandings, she seeks the truth from everyday details, firmly safeguarding the child's dignity. Her son Pei Yanchuan also faces his own dereliction of duty in the face of facts, learning to become a reliable father. When the lies are uncovered and the harms are corrected, grandmother and granddaughter join hands to walk out of the gloom, letting broken trust be rebuilt in companionship, and allowing Nianhe to regain the courage to grow up in peace.