The film tells the story of Navy Captain Tang Yan accidentally rescuing a blind child named Ruguang who was abducted and turned into a beggar during a family visit. After Ruguang recovered from his illness, Tang Yan sent him to study at the Military Civilian Joint Construction Unit City Blind School, where Tang Yan was blindDuring the process of volunteering at the school, I developed mutual admiration for the beautiful and kind music teacher Qiao Ya, and eventually became a couple; At the same time, music teacher Qiao Ya is fully committed to cultivating Ruguang as a pianist in various sectors of societyWith help, Ruguang and his mother finally reunited after years of separation.