The new school term starts with the opening of Michael's new Pupil Referral Unit and the return of no-nonsense teacher Nikki Boston. But the positive mood changes with the arrival of the Barry family - a hell-raising criminal clan lead by matriarch Carol Barry, lone parent to Waterloo Road's newest pupils - bad boy Barry and daughters Dynasty and Kacey. Carol assures Michael that her brood will behave, but it's not long before sparks fly when Barry goads fellow pupil Jack MacAlister into a fight. Tom intervenes and discovers the reason behind their hostility - Barry is sleeping with Jack's mum Olivia. When challenged, Barry promises Tom that he'll keep his relationship with Olivia discreet for Jack's sake, but the troublemaker has no intention of honouring his word and sets about humiliating Jack in front of the school, screening a steamy video of him with Olivia. Michael gives Barry a stern warning - put an end to his bad behaviour or he'll be excluded from Waterloo Road. And if Barry