A journey that cannot be recorded in history, an army that should not have appeared in that era.
When modern soldiers stepped into the scorched earth of 1937, they faced not only enemies with disparity in equipment, but also the torture of time itself: If you knew the ending, would you dare to do it again? If you can't change history, are you still willing to die?
From the mountain villages in North China to the depths of Taihang, from Marco Polo Bridge to Tiemenguan, a team of more than 2,000 people used blood and fire to redefine the word "family and country".
This is not a journey through Shuangwen, this is the return journey of an army - returning to the darkest moment of the nation and becoming a ray of light.