Liu Futing, a modern ordnance engineer, opened her eyes and became a village girl during the Anti-Japanese War. Fortunately, the ancestral jade pendant's awakening space contains not only the space-time mall, but also the entire arsenal. While others were still cheering for the capture of a rifle, she had already sent an entire production line to the Eighth Route Army. Anti-Japanese hero Wang Fuguo met her for the first time when she was demolishing Japanese mines with her bare hands. He thought she was a weak woman who needed protection until he saw her casually taking out a mountain cannon. Liu Futing patted the ashes on her hands: "Why are you so dazed? Saving the country is not about treating guests to dinner. Come with me to pick up the enemy's arsenal!" Many years later, historians were confused: Where did these weapons that were ahead of their time come from?