The promising young general was trapped in the capital in order to protect his family from being feared by the royal family. The concubine of the Lin family was born weak and sick, and was disliked by her mistress, so she was trapped in the back house. All parties competed with each other for their own interests, bringing the general with an uncertain future and the sickly concubine together. From the beginning, they tried to save themselves, and then worked together to save the family.