After failing to find a job, Jiang Zhiyue returns to her family's old house in Wuzhen ancient village to lie flat, and discovers that the diorama under her bed connects to the thumb-sized ancient Zhenhai City; using modern supplies, she is revered as a goddess, helping the divine envoy Pei Zhi defend the city against Japanese pirates and crack the lethal trap set by the imperial court using plague. Casually dropping a cheap modern item into the Lilliputian country is a dimensionality-reduction strike—watch her use instant noodles, millet chili, and magnetic fridge magnets to repel enemies and save people all the way, experiencing satisfying counterattacks and step-by-step upgrades.