When Cui Xuemei was 15 years old, she made zongzi at Lin Xiaoxi's house and gave Lin Xiaoxi a sachet as a love gift, but because of the sachet, the two no longer interacted. Her best friend He Meiyu helped her study hard, so that she was admitted to high school and became a diligent and studious girl. He Meiyu, with a good family education, is a beautiful student with all-round development of morality, intellect and body, the hospital issued a critical illness notice to her father, and the treatment is meaningless, her tablemate told Zhenru that her cousin suggested intervening in Chinese medicine treatment. Xiang Zhen...... Ru's good study is directly related to her cousin's discipline. Three beautiful students, compared with Lin Xiaoxi, Min Zhaowei, Chen Changzheng, Xiong Huajiang, the results are one grade wrong, Lin Xiaoxi is similar to He Meiyu, has a good family education, he organized the three boys, hugged the group for warmth, and introduced the PDCA touch, so that the four boys entered the top four of the grade. Sanzhihua plotted together and "paired" with four boys, "one gang of one" and "mentor and apprentice"; Four men formed an SA group and proposed to absorb Sanzhihua to further strengthen their studies. Lin Xiaoxi and Cui Xuemei came together again in their studies, SA means learning guarantee, this group's academic performance has won the top 7 in the grade, and they have achieved good results in the college entrance examination.