Lorna sexes up her image in a bid to win her husband back, but his attentions are definitely elsewhere. Authoritarian English teacher Grantly thinks a disruptive boy may be a drug addict, whilst kind-hearted Kim is determined to prove him wrong. Meanwhile, cheating teacher Steph fakes a break-in.

The school holds an open day, but things go badly wrong when Kim is assaulted by a pupil. Tom and Izzie's affair continues - surely someone will find them out?