Director Jia reflected on the profound impact of Lei's story on the creative team, emphasizing their year-long journey in crafting the musical. Visits to the Lei Feng Memorial Hall in Fushun, Liaoning province, provided the team with firsthand insights into Lei's life through his photographs and diaries, fostering a deeper connection to his legacy.

Born on Dec 18, 1940, in Wangcheng, Hunan province, Lei embarked on a remarkable journey from a humble background to becoming a revered figure within the People's Liberation Army. Tragically, his life was cut short on Aug 15, 1962, due to a fatal accident.