In a modern city of the twenty-first century, policewoman He Yuan Yu is known for her keen instincts and indomitable spirit. One day, while pursuing a crafty fugitive, she accidentally enters an antique shop steeped in old-world charm. The light inside is dim, and antiques are arranged throughout the shop, each seemingly imbued with the weight of history. As she makes her way among these ancient objects, a strange light suddenly envelops her. In the next instant, time and space seem to twist, and by an inexplicable twist of fate, He Yuan Yu transmigrates to the Qing Dynasty.
In this unfamiliar era, He Yuan Yu becomes Da Yu Er, a princess of the Mongolian Horqin tribe, blessed with peerless beauty and extraordinary intelligence. Here, she is reunited with Brother Cheng You, her childhood sweetheart, who grew up alongside her. Their love is pure and deep, like the clearest blue sky and white clouds over the grasslands. But fate has no intention of letting their romance continue in peace. Because of an ancient prophecy, “Whoever gains the Lucky Star will gain the world,” Da Yu Er is unexpectedly drawn into a struggle for imperial power.
Hong Taiji, an ambitious and visionary emperor, believes the prophecy without question and is determined to win Da Yu Er, the so-called “Lucky Star,” in order to secure his empire. With extraordinary charisma and power, he pursues her relentlessly, while Cheng You silently protects Da Yu Er, unwilling to let her be swept into the whirlpool of power. The tangled feelings among the three are as full of twists and turns as the convoluted struggles of the imperial court...