Protagonist: Lin Xiaobang (a modern social animal, who died suddenly after staying up late and working overtime, and traveled through time to become a 19-year-old orphan by the Songhua River in Northeast China in 1986, nicknamed Xiaobangchui)
Time Travel Background: In 1986, the old industrial base of Northeast China was a land of ice and snow, with fierce folk customs and martial arts masters hiding in dragons and crouching tigers everywhere (Qing Kung, Hard Qigong, Bajiquan, Mantis Fist, and Guandong Heroes).
Core skills: Comes with full memory of 21st century military industry, machinery, chemistry, and physics, knows some modern fighting skills, speaks Northeastern dialect at full level, and has a thick skin than a city wall
Plot line: Freeze to death on the streets → Survive by selling matches → Encounter with martial arts masters → Rely on modern knowledge to earn a living → Secretly make gadgets → Upgrade and make arms → Dominate the black market in the Northeast → Fight wits and courage with various martial arts masters, gangsters, and factory masters
