The modern soul Su Qingwan traveled through time and became the adopted daughter of the Hou family. In her previous life, she even sacrificed herself for the benefit of the family, but was tortured and killed by the beloved second prince and her vicious sister Su Ruoxue. After being reborn three years ago, she has the memories of the next three years. She decides not to be a demon to help her younger brother anymore, and starts the "rotten + poisonous tongue" mode. She just wants to survive in this life. However, she discovered that her originally gentle sister Su Ruoxue had become extremely extreme and sophisticated - it turned out that Su Ruoxue was also reborn, and she was reborn five years later (with two more memories than the heroine)! Su Ruoxue knows that the heroine is a threat to the future and seizes every opportunity. In order to survive, the heroine was forced to go into business and formed an alliance with the eighth prince Xiao Jue, who was also in a difficult situation but was actually very evil. The female protagonist uses modern thinking and past life memories to conduct tactical deductions, while the male protagonist is responsible for power murder. In thrilling palace battles and court games, the two went from using each other to making a life-or-death promise, and finally changed their fates against the will of heaven, and both became emperors and empresses.