In 1940, Peiping fell. The famous Kun Opera actor Su Yutang dances with great splendor in water sleeves, but he hides anti-Japanese information in his opera. She and Shen Yanzhi, an underground party lurking at the core of the Japanese army, danced on the tip of a knife, using drama as a blade and the flames of war as an alliance. The suspicion of Japanese military spy Matsui was always there, and every look and every verse between them could trigger a crisis. In troubled times, with their home and country shattered, can they protect their faith in blood and fire, let the lingering sound of Kun Opera convey hope, and compose a thrilling spy love story?
