[A thrilling, high-energy tale! Epic warfare] He transmigrates into the chaos of the late Tang, inhabiting the body of a young refugee whose family has been destroyed and who is dying in the wilderness. The moment he opens his eyes, he sees corpses from famine everywhere and barren land stretching for miles. With hellish circumstances from the start, survival becomes his first priority.
Drawing on his modern knowledge, Qin Yu begins by learning to identify wild plants and make tools, struggling to survive against all odds. Along the way, he saves an orphan girl named Qin Ning'er. The two depend on each other as they head north, hoping to find somewhere they can call home. They blend in with the refugees and evade the ravages of war and disaster, using medical skills and ingenuity to scrape by at the bottom of society.
Before long, however, Qin Yu discovers that Qin Ning'er's past is shrouded in mystery and seems connected to a vast, long-buried case. And because of the extraordinary knowledge he displays, he too is drawn unwittingly into the whirlpool of local power struggles, military governors, and even secrets hidden within the imperial court.
The troubled age is a furnace, and human lives are like blades of grass. Faced with a treacherous political landscape and covetous forces on every side, how will Qin Yu use knowledge accumulated across a thousand years and a modern way of thinking to protect himself and those he cherishes in the dying twilight of the magnificent Tang, rise from humble beginnings, uncover the truth about his past, and perhaps even… turn the wheels of history?
From refugee to imperial tutor, this is a thorn-strewn path defying the heavens. Knowledge is his only weapon, and his greatest trump card.