Under the camphor tree in September, Fang Wubai clutched the junior high school class list and saw that his name and his best friend from elementary school were separated by the gap between the floors of Classes 7 and 9. As the winner of a special scholarship to junior high school, he thought that the new semester would be as regular as the numbers in his homework book. However, during military training, he met the cheerful "Bajie" and a group of buddies, and got involved in an underground river...
