Chu Jiuyin, a modern white-collar worker, travels to an unrecorded dynasty because of an accidental fall into the sea. She was involved in a royal dispute because of a family disaster. Let's see how she grows and survives in the dangerous palace. Love with conspiracy is not love, but who can say clearly that there is no calculation in love. "I love you, so I'm willing to let you go," he said. "Both the country and the beautiful woman need it. Having the country will give her stability." The love entanglement of the three people revolves around the overt and secret struggles of the royal family. The ending is happy or sad, and whether love and hate can coexist.