Emergency department doctor Gao Yu, after his daughter suffers family harm, upholds paternal love and responsibility, maintains justice through the law, and attentively guards the child's recovery and growth. Devoted to his duties and possessing exquisite medical skills, he was rated an outstanding young doctor. Facing past pain, he chooses to look forward, rebuilding the family with tolerance and responsibility, and joining hands with psychological teacher Lin Wei to give the child warm and complete love.