Due to the fate of a girl, her family members passed away one after another. In order to renew her relationship, she resolutely walked towards death. When she woke up again, she came to another world and became the eldest princess of the dynasty. She was originally qualified to inherit the throne, but she gave up her qualifications and chose to be a "regent". The first words she said to her younger brother who had just inherited the throne were: "Your Majesty, I swear to you, I will completely deliver this country to you, and I will not allow anyone to hurt you!" This is her goal...
At that time, the power of the imperial court was in chaos. The imperial brother who controlled the military power in the capital was eyeing the throne. Qingliu and the traitors were quarreling endlessly. Internal troubles were increasing, but there were also external troubles. How could a girl who had only lived twenty years on earth face such internal and external troubles and calm down the war? Of the two men who have always supported her, who will she choose to be her lifelong partner?