[Fights in the house, fights in the palace, sister marriage, sadomasochism] In the ever-changing capital city, the fate of the concubine of the Su family is entangled. She suffered many hardships in her family, but due to her concubine's refusal to marry, she had no choice but to marry the prince who was known as a playboy in the capital. Entering the East Palace, she was left out and struggled to survive. The situation in the palace changed, and she was forced to be involved in endless palace battles. She gradually grew from the innocent and cold at the beginning to a heroine with extraordinary resourcefulness. In the process, she was shocked to realize that the prince was not as rumored, and that he had great strategies and countless secrets in his heart. A secret love arose, and the two joined hands to seize the throne. But at this time, the concubine was betrayed by the one she loved. Seeing her sister prospering, she felt resentful and insisted on marrying into the prince's palace, threatening her with the truth about her substitutionary marriage. A fierce battle began between the sisters. Although the sister lost, her father lost his official position. His mother is extremely vicious and vows to bring down the heroine. The prince and the heroine, after going through many hardships, their love grew stronger and stronger, and finally succeeded in ascending to the throne. They thought they would be together for a lifetime. Unfortunately, the two of them did not grow old together. With Su Li losing her support, where should she go in the palace? A legendary story that combines sadomasochism, house fighting and palace fighting begins here, waiting for you to find out.