Xie Lingxue, the concubine-born daughter of the Xie family, once had a misunderstanding with her elder sister Xie Zhirou due to an assigned medicine delivery. Since then, her marriage prospects repeatedly met setbacks, plunging her life into hardship. After unexpectedly gaining a chance to choose again, she returned to the turning point of her fate, deciding to change her past actions. Outwardly compliant with her family's arrangements while secretly investigating the truth, she learned to protect herself amidst familial prejudices and sisterly strife. Facing successive trials, Xie Lingxue resolved the predicament with calm and wisdom, and gradually won the trust of Crown Prince Xiao Jingcheng. Ultimately, she broke free from family shackles, became an independent mistress of the Eastern Palace, and harvested respect and genuine affection, living out a life belonging to herself.