After departing from the palace following her divorce, Astelle, the one-day empress of the empire, carried a hidden secret with her- she was pregnant with Emperor Kaizen's child. Now, six years later, Astelle and their son reside in tranquility in the countryside, but their peaceful life is abruptly interrupted by a visit from the imperial guards. The emperor needs Astelle's authorization to obtain the critical territory of Meilen during a period of rebellion and unrest in the kingdom. Can Astelle shield her son's identity from the perilous forces and, most significantly, from his father, the emperor?