Luo Xi (Dai Wen Wen) is an ordinary university student in her 4th and last year. In order to help and provoke her broken-hearted roommate Fei Yan (Sun Zi Yu), Luo Xi and her best friend Le Xue (Cao Fei Ran) stage jumping off the rooftop, but unexpectedly land in a historical novel that spans thousand years and describes the fall of a fictive country and the subsequent rise of a new dynasty. There, the two girls meet the young emperor of the Qi dynasty Qin Shang (Gao Tai Yu) and are chased by his soldiers. In a rush to save her life, Luo Xi takes Qin Shang back to the real world. Le Xue, however, remains in the novel world.