Delivery boy Li Gang woke up in the ruins. At first he thought it was an ordinary car accident, but he found himself in a battlefield filled with smoke and devastation. The ancestral jade pendant he wore was unusually hot, and although his cell phone showed the year 2024, there was no signal. By observing the inscriptions "Twenty-Sixth Year of the Republic of China" on the ruins of the wall, and encountering wounded anti-Japanese soldiers wearing old-style military uniforms and avoiding artillery fire, Li Gang was shocked to realize that he had traveled back to 1937. Even though he was caught in the chaos of war, he still retained his professional instinct to "achieve his mission"
