In the chaotic northern region, a young man, once exiled after a family dispute, rose to power in the Sixth Prison, becoming the "King of the North." Poisoned and nearing death, his master arranged several special women as fiancées to cure him, but he hesitated to involve them. One fiancée insisted on marrying him, but during the wedding, family secrets surfaced, leading to his collapse from the poison. His wife and the other women united to save him, becoming the key to his cure. Together, they restored peace to the northern region.