When Gerry is suddenly promoted from sub to full-time teacher, his initial thrill is quickly squashed by the realization that he's back to real teaching responsibilities: namely, marking. Upon meeting a retired teacher who yearns for his old days in the classroom, Gerry concocts a scheme that seems too good to be true.

Gerry and Simon are both assigned student teachers. Gerry is thrilled to have a minion picking up the slack, while Simon is anxious about the added responsibility. Gerry soon learns that his hands-off approach will not work, as his student teacher, Gloria, is terrified of the students and requires Gerry's presence at all times.