In 1937, the war was raging and the mountains and rivers were shattered.
He is an intelligence agent lurking in the darkness, dancing on the tip of a knife, delivering secret messages related to the fate of the country; he is a warrior charging forward, fighting in the smoke of gunpowder, using the muzzle of his gun to protect his home and country behind him.
Two strong forces stand side by side, life and death are in the hands of each other. They are the sharpest double blades in troubled times, and they are also each other's only weakness.
When the top-secret mission encountered a tight siege and bullets roared towards him, the best friend fighting beside him suddenly jumped to block the gun - that was a communications soldier carrying a letter from a distant lover. He used his life to protect his comrades and the unspoken concern.
Fighting their way out of the mountain of corpses and sea of blood, they were covered in blood but had firm eyes. I pledge my body to the country, and I pledge my body to you. When the mountains and rivers are calm, we can go to the warm winter appointment that has been delayed for many years.
Concept: Three lives and three lifetimes, continuous flames of war, our love sings the most beautiful music in a bright and romantic future