Three days before her wedding, Gu Mingzhao is betrayed by her fiancé. He marries her cousin instead and even demands that she become his concubine. Cutting ties with her family, she marries far away into Shuo Ting. Expecting a bitter and freezing future, she instead meets Xiao Jingchuan, the stern new Khan. He specifically requests her hand in marriage, having secretly planned it for a long time. Carrying old grievances with her, she sets out to investigate her family's wrongful case. Together, they investigate the old case and reopen cross-border trade. From allies to confidants, the abandoned noblewoman ultimately becomes the Princess Consort of Shuo Ting, ruling its lands.