The Republic of China was at war, and the mountains and rivers were swaying. The daughter of the Su family, Su Yanqiu, disguised herself as a man and went to Wudang Mountain to join the Zixiao Opera Troupe, guarding the remains of Xuanwu and the intangible cultural heritage opera with her pride. With drama as the soul and blood as the evidence, we inherit the cultural fire in troubled times, demonstrate the national integrity in times of crisis, and sing a song "Xuanwu" to protect the family and the country.