A modern corporate drone soul-travels overnight to become a constrained aristocratic lady in a fictional dynasty. The deep palace is layered upon layered, the imperial court is treacherous and unpredictable, and unseen traps are everywhere. Holding knowledge from another world, she walks step by step with caution, maneuvering among various factions to survive and protect herself. Originally wanting only to find a secure survival, she unexpectedly encounters a forbearing and introverted prince carrying heavy secrets. From mutual probing to mutual trust, the two join hands to peel away layers of fog, and amid turbulent times, uphold the righteousness in their hearts and protect those by their sides.