Designated driver Lu Yuan is crushed to death by a drunk jumper, gets special approval from an angel to be reborn, and binds the cross-time exchange system. He needs to make money in ancient times to unlock supermarket and military factory supplies. When waking up in the mourning hall as a corpse, he pulls out a beginner's gift pack pistol to save his humiliated wife. Relying on two-dollar-shop glass mirrors to earn thousands of taels of silver to activate the mall, facing the encirclement of nobles and government officials, he exchanges for artillery and armored vehicles, crushes ancient iron cavalry with modern thermal weapons, holds massive supplies in his hands, protects his beauty to sweep across Da Qian, and relies on industrial dimensionality reduction violence to rule the world.