Kacey begins to feel the pressure of people's expectations when it's revealed the school will be having a fundraising visit from an Olympic boxing champion. The arrival of enigmatic new supply teacher Frankie McGregor divides the already fractured staff room, as well as providing an unlikely companion for an increasingly isolated Lenny.

The school drama returns, and chaos descends when what appears to be a masked intruder disrupts the start-of-term assembly. However, the intruder is soon revealed to be new PE teacher Hector Reid. Meanwhile, new girl Gabriella Wark causes a bit of a stir.