Plots often revolved around the boys trying to exclude Mildred, who would often use her influential family to try to force herself back into the gang. Graham's leadership of the gang was constantly threatened by William, whereas Robert and Keith were always on the verge of fighting.
The story revolves around a gang dynamic where the boys are constantly battling for control, with Mildred trying to re-enter the group despite being excluded.  Graham's leadership is challenged by William, and Robert and Keith are always on the verge of conflict.