Two Hairpins Across Two Rivers: Solving the World's Troubles

Fu Jin, eldest prince of Beichuan, is sent to his doom by a poisoned cup of wine from his two younger brothers. When he opens his eyes again, he is lying on the cold ground of an unfamiliar city, dressed in a bloodstained robe embroidered with dragons.

Skyscrapers tower overhead, a sea of steel surges beneath his feet, and people in shorts and T-shirts hurry past him on every street.

He takes out a gold ingot to pay for his meal. The shop assistant bursts into tears, but the owner lights up: “A handsome guy in period costume! Meals and lodging are on us. Stay and work here to pay off your debt!”

And so, dressed in ancient clothes, he learns how to use a showerhead, recognize modern currency, and serve coffee. Only when his biological father comes looking for him and the dagger beneath his pillow grows hotter and hotter does he discover that the hairpin passed down through the girl's family, the dagger bestowed on him by his emperor father, and the smiling girl who took him in all conceal a secret spanning a thousand years…