Cai Wuqi, the only son of the Grand Tutor, under the influence of his mother and the abduction of his two sisters, resolutely embarked on the road of entering the world. Unfortunately, he met Wu Kechen, the anonymous hero of the current prince. The two became enemies because of their names. Fortunately, this Wu Daxia disappeared from the world soon. This made Cai Wuqi firmer in his determination to become a hero. Finally, in With powerful martial arts and the secret help of his grandparents, in more than two years, little boy Cai Wuqi became a great hero. At this time, someone with evil intentions appeared. A man claiming to be Meng Feiyao approached him. He used bets, inducements and other means, and finally tricked little boy Cai Wuqi into pretending to be a eunuch and "paying close attention" to the emperor Meng Kechen in the palace for just two years. But it was discovered that Meng Kechen was actually Wu Kechen, so the strange palace experience of Little Eunuch Cai began... Synopsis, please proceed with caution.