Sue's senior year, the "Summer of Sue," begins with the premature removal of her braces. Meanwhile, Axl finally beats Mike in basketball and Brick tries to find the perfect backpack for school。本片讲述了大学生村官杨英回到家乡推广落实“三位一体”农村综合合作改革，帮助村民实现新型农村经济改革，改善家乡环境的故事。。