A nurse's negligence caused a mistake, because jealousy makes a person crazy, the heroine changed from a top student who studied very seriously to the bottom one. There are many unknown stories in it, the difference between aristocrats and common people, the origin of the boss, a genius in the medical field, and the first-class boss, all in one body, making the relatives around her dumbfounded. In order to cure various diseases, in modern times, With the advancement of medicine, beautiful stories are outlined. The love of three male protagonists makes it difficult for the heroine to make a choice. One is the eldest brother next door, one is an unrelated brother, and the other is his fellow student. Everyone loves the heroine so much. Where will the heroine go in the end? What kind of story will happen when she is jealous? Please watch "Actually You Don't Understand My Heart"