I Changed My Marriage to Marry into the Prince's Palace, but My Mistress Got Sick at Home.

[Marriage exchange + Machiavellian strategy + Big heroine + Rebirth + Mistress' way to seize power] Xie Zhichun and his sister Xie Yushu were reborn at the same time. In his previous life, Xie Zhichun was forced to marry into a poor family, and was dressed in shabby make-up and banquet; People all over the city said: The two daughters of the Xie family are like clouds and mud. However, in the end, Xie Zhichun's husband became the prime minister, and his children were all high-ranking officials. Everyone had to respect him wherever he went; However, Xie Yushu became the murderer who forced the crown prince and his beloved concubine to death. She was rejected by the palace, regarded as an enemy by the princess, and imprisoned in the palace without a happy ending. Xie Zhichun had a hard life in his youth and a prosperous later life. He worked hard all his life, but at the end of his life, he was stabbed by Xie Yushu's jealousy and resentment, and closed his eyes with injustice. Fortunately, God showed mercy and when she opened her eyes again, she returned to the time when she was a young girl discussing marriage. This time, her sister-in-law took the lead in stealing her hand. Baba married into a poor family and endured hardships. She then pushed the title of Crown Princess to Xie Zhichun. Relatives and friends all said that fate was unfair, but Xie Zhichun smiled calmly. Is fate unfair? She thought it was extremely fair. Xie Yushu thought she had found a treasure, but she didn't know that in her previous life, she had painstakingly forged documents and worked hard to finally bring that good-for-nothing to a high position. She was afraid that God would also think that her previous life was too miserable, so he specially sent her the position of Crown Princess so that she could enjoy leisure. That being the case, why didn't she accept everything?