Anti-Japanese love in the 1930s and 1940s. She is the daughter of a wealthy family and the leader of the 26th Regiment of the 126th Division of China. He comes from a family of swordsmen and soldiers, and is also the commander of the 23rd Brigade of Japan's 234th Division. They met in a world of constant war and fell in love during a thrilling pursuit. Are they enemies in the war? Or a lover with commitment and vows?