Rhiannon sends saucy pictures of herself to Darren and they end up being sent to mobile phones around the school. George finds out Princess is leaving him. And Audrey discovers Lisa and Lenny are trying to scam money out of her.

Grantly returns to teaching at Waterloo Road to discover the school is chaotic as ever. Kacey faces her big boxing fight, but Barry takes bets against her winning. And Sue resorts to tranquilisers to get through her school day from hell.