Shao Fan, a renowned physical therapist from the 21st century, unexpectedly transmigrates into ancient times and becomes a young nobleman from an aristocratic family. Before he can even enjoy the wealth and privileges of his noble status, he is sent to the imperial palace. Just when he believes he will never have a chance to rise again and that the injustice done to him will never be cleared, he unexpectedly discovers that someone secretly tampered with his castration procedure. He is actually a eunuch who was never castrated! Guarding this secret, which could cost him his head if exposed, Shao Fan carefully navigates the dangerous depths of the imperial palace.