In 362 BC, when the aftermath of Qin Xiangong's unfinished reform was still lingering, a law graduate student from later generations fell into the countryside of Qin in the war of troubled times. He has no extraordinary powers and no golden fingers. He can only bring complete knowledge of the history of the Qin and Han Dynasties and modern legal thinking to step into the violent Qin world where farming and warfare are the keystone and laws and regulations are the ropes.