Su Jinning, the concubine of the prime minister's palace, had her biological mother die young and was treated harshly by her aunt. In order to avenge her mother and protect her own life, she was forced to enter the palace on her aunt's behalf. After entering the palace, she did not strive for fame or glory, but she was repeatedly framed by her eldest sister, suppressed by the imperial concubine, and jealous of the queen mother. Su Jinning finally woke up: There is no way out in the deep palace, only sharpness can gain a foothold. She solved the trap with her wit, shocked Xiaoxiao with her courage, and unexpectedly got to know and cherish each other's relationship with the emperor Xiao Yiheng who was forbearing in planning. One is a concubine seeking to survive in a desperate situation, and the other is an emperor with a hidden edge. From testing each other to entrusting each other, Su Jinning works step by step in the palace battle. She not only avenges her mother, but also wins the emperor's exclusive favor. In the end, they work together to calm down the turmoil in the harem and rule the country together.
