A long time ago, women were not able to enter school in China. There was a woman whose name was En-ti Ju who longed to enter school. She dressed herself as a boy. Then she entered school and took classes with other boys.
In the class, she met San-bo Lan, who was a handsome man. They became classmates and good friends immediately.
San-Bo didn't know En-ti was a woman, even after they graduated from school. En-ti had fallen in love with San-bo for a long time. But En-ti's father forced her to marry with another man Then San-bo got sick and died. En-ti refused the wedding which was prepared by her father. She killed herself.