On the day of the fun run Jez's life starts to unravel as his star athlete, Mercedes, makes a huge error of judgement and Sian admits her true feelings about their relationship. Elsewhere, relationships are tense as Trudi makes a decision about Finn, and Grantly returns to work barely a week after the loss of his wife.

On the day of her art exam, Shelby struggles to keep her alcohol problem under control, whilst Kyle is caught running an illegal vodka scam. Jez makes a life-changing decision, and the school comes under investigation from the LA.