The rise of the Qin state in the Warring States period during the reign of Duke Xiao of Qin.
College senior Luo Xi stages a rooftop prank to cheer up her heartbroken roommate but accidentally falls into a historical novel. There, she meets a young emperor and, in a bid to escape danger, brings him back to the real world—while her best friend remains trapped in the past.
It tells the romantic love story of Gu Yan Cheng and Yu Xuan. Gu Yancheng, the heir of the Gu clan group, met Yu Xuan who looked similar to the 'Fairy of the sky' .
