On a rainy night, delivery boy Xiao Zhen was struck by lightning. When he woke up, he was in Lin'an City in the Southern Song Dynasty eight hundred years ago and became a waiter.
The knowledge of physics and chemistry in his mind has become a gold mine that no one has mined in this era. Transforming urban drainage, establishing a business empire, inventing the pedal wheel, and building an assembly line workshop - he went from a waiter with nothing to become the richest man in Lin'an, and accidentally rescued Princess Jin who was traveling incognito on the West Lake. The emperor loved talents and summoned him to the court; when the Jin Dynasty invaded the south, he took command and went out to fight. Flying kite reconnaissance, sign language communication, mine array ambush, bamboo tube sound transmission command - he used tactics that transcended the times to scare the Jin army.
But the battle was won, but what awaited was a hidden arrow in the court. The collaborating prime minister planned to kill the princess, and the successor ministers teamed up with the emperor to arrange a fatal situation. During the decisive battle at Ukou, intelligence was leaked and the reinforcements defected. He led seventeen remaining soldiers to retreat to the cliff waterfall.
Behind the waterfall, there is a valley full of peach blossoms. And the woman he thought had died under the cliff was squatting by the stream washing herbs. She raised her head and her eyes passed through hundreds of days and nights of life and death, and suddenly collided with him.
Hundreds of years later, an archaeological team discovered shocking secrets carved all over the stone walls in a valley cave—a map of the solar system, the structure of a steam engine, and the mushroom cloud of an atomic bomb. The signature was a small, crooked line: "Xiao Zhen is here for a visit."
A deliveryman from modern times left a code that spans time and space to the world a thousand years later.
