Shen Wan, a doctor of materials science, became the fifth princess of the East Palace. The four previous concubines who traveled through the country were all questioned and executed by the prince Xiao Jingheng for exposing their modern attributes. She had to pretend to be a coward to save her life. On the wedding night, the prince suddenly recited modern lyrics, so she pretended to be stupid; when a sketch of a bicycle was found, she pretended to be Nezha Hot Wheels to escape; when she was forced to write a poem at the palace banquet, she pretended to be uneducated by saying "the moon is like a sesame cake". She was even more frightened when she saw a beautiful girl being raped for singing a modern love song. When she returned to the East Palace, she picked up a solar power bank. When she was at a loss, the prince unexpectedly visited, making the road to save her life even more dangerous.
