She is an expert in Shu Yunshang, and she enters the court in place of her sick senior brother. He is the prince of the dazzling dynasty, and he finally has the interest to go to court. She is smart and bright, and her skill at disguise is the best in the world. He is gentle and polite, and his scheming is unparalleled. She thinks that no one can see through her. She disguised herself as herself, so she followed him all over the world. He seemed polite but secretly had other plans, so he led her around the world to get along with her day and night. She had a complicated relationship with her senior brother, and he and she were entangled... What would be the ending in the end? Will they miss each other but not be in love?