Prince Jing's side concubine Shen Yuan was betrayed and died tragically, and was reborn as a low-class palace maid. She pretends to be a pig and eats the tiger, using her memory as a blade to sow discord and kill people with a borrowed knife, bringing down the queen, Xiao Heng, the eldest princess and her sister Shen Tang one by one. After her great revenge was avenged, she refused the position of crown princess and went to Jiangnan to open an academy to teach girls how to stand in the world of heaven and earth.
