The country is picturesque and the palace is deep. Su Yihuan was originally the daughter of an aristocratic family, but her entire family was exterminated due to an unjust imprisonment. She was exiled to the palace. She learned from a young age to be as active as a rabbit but as quiet as a virgin. She disguised herself as a talented and cute maid, hiding her revenge plan. After entering the palace, Su Yihuan accidentally got involved in the machinations of Prince Xiao Yuchen and Prince Jing Wen Yungui. She managed to resolve the crisis several times with wit, and turned her enemies into friends with her humorous self-deprecation. The prince was suspicious of her identity, but was attracted by her unique wisdom and humor. In the changing situation of the palace, Su Yihuan was witty and flattering, and was accidentally forced to join forces with Prince Jing to uncover the truth of the old case step by step, save his friends, protect his family, and solve the conspiracy. In the end, she used the rules of the palace to laugh at the intrigues and achieve revenge. At the same time, she gained faith, love, friendship and freedom, and regained control of her life.
The book is divided into four volumes, which are interlocking and full of ups and downs. The end of each volume foreshadows the next volume. The biggest mystery is solved in the final volume. The characters are humorous and bright, the story is compact, and the ending is happy and direct.