If you could start your life over again, with no system or powers, and your only weapon being the "memory script" for the next ten years, would you be able to change your life against the odds?
In his previous life, he was a fierce warrior on the battlefield, but he was completely defeated in the court game.
In this life, he is still the son-in-law in the palace, but he has grasped the general trend of the world in his hands - he knows who is the hidden dragon and who is the sycophant, where there are natural disasters and where the troops are hidden.
See how he uses the information gap to leverage the family, manipulate the crown prince, and plot the world!
Every step is like walking on thin ice, and every step leads to the only way to survive.