Su Wan, a girl from the history department in the 21st century, accidentally traveled through time and became a low-level palace maid in the Wu Zetian period because of a notebook filled with "Princess Taiping's Succession Strategy". At this time, on the eve of the Shenlong coup, Wu Zetian was swinging between "passing on the son" and "passing on the nephew", and her ultimate goal was to make Princess Taiping, who failed in history, become the second generation empress after Wu Zetian.
