In a sentence: On the surface, she is a mild-mannered stewardess who lies low, but in truth she is a former dynasty's princess, carrying a blood feud. She plots every step carefully, vowing to overthrow the dynasty, yet becomes entangled in a tortured romance with the cold-faced sword cultivator and Imperial Preceptor assigned to watch her. As they test and use each other, they are drawn ever deeper into a love that tears them apart, until she must make a devastating choice between the realm and the one she loves.