the play is adapted from the deeds of zhang guimei, the winner of the "july 1st medal". zhang guimei (played by song jia) is an ordinary middle school female teacher in the mountainous areas of western china. over the years, she has been witnessing her female students dropping out of school due to poverty in their families. at the age of 15 or 16, she either married and had children or went out to work, which made zhang guimei extremely sad and regretful. she was determined to run a completely free high school for girls, so that these girls in the mountains could get the opportunity to receive education, get into college, go out of the mountains, and completely change their destiny. in 2008, the only fully free high school in china was established. under the dilemma of no teachers, students, funds and experience, zhang guimei led the female high school teachers and students to complete an impossible task: all female high school students who were extremely backward in their learning foundation were admitted to university. this girls' high school allowed batches of girls to walk out of the mountains and change their destiny. however, with the development of the school, more and more poor girls from the mountains come to apply for the exam, and new problems and difficulties also follow... aaa