Mr G takes over the drama department and causes chaos, Ja'mie has her first day at school Jonah tries to fix his bad ways.

At Summer Heights High Ja'mie finds herself a younger boyfriend, Jonah dances in the Junior School Dance, and Mr G is inspired to make a new musical after a tragic death.

After accidentally sending an insulting picture of her friends out, Ja'mie has to attend peer counseling with her ex-friends. Jonah has been put on an anger management contract, whilst Mr G begins his auditions for his new play.

Mr G has major problems with the 'Annabelle Dickson Musical', Ja'mie pretends to be a lesbian and Jonah gets suspended.

Mr. G quits his job. Ja'mie falsely raises some money for AIDS. Jonah gets banned from break dancing.

The curtain rises on Mr G's musical, Ja'mie is dumped by her school formal date and Jonah's future changes forever.