Harry's cry for attention veers out of control when he steals Karen's phone and causes turmoil among the staff of Waterloo Road. Meanwhile, Chris and Karen have their hands full with the school business initiative contest and Tom struggles to readjust during his first day back. When Karen and Harry come to blows over his falling grades, a disgruntled Harry gets his revenge by causing mischief with Karen's phone, sending incendiary emails to the other staff in the guise of his mum. As widespread anger and paranoia spread through the school, Karen is faced with an unexpected staffroom revolt.