She is a standard beauty. Not only is she beautiful, but she is also the best in school since she was a child. She is a top female scholar. Su Yuerong, who was born in a poor family, unexpectedly entered the Fu Mansion in order to study for graduate school and became a special tutor for the young master of the Fu family. From then on, she was involved in one after another seemingly ordinary but long-hidden secrets. Su Yuerong who was involved in the incident turned out to be a key figure in the secret incident. The arrogant young master of the Fu family, the genius IT boss, and the elegant doctor. Happiness comes one after another, but so does harm. Where there is happiness, there will be misfortune. Can Su Yuerong pursue the mystery of her life experience? Is the one staying with Su Yuerong an angel or a demon?