Grace Mason left school when she was fourteen. She got hooked on drugs. Now, she's back at the school. Grace is struggling academically. So Rachel enlists Tom to help. Soon enough, they're starting a relationship. Things go wrong when Grace catches Tom sleeping with Shannon. Shannon turns out to be her half-sister. It's soon revealed both girls are pregnant.... By Tom. Max Tyler arrives at the school and it's not long before Grace is wooed by him. But things have a habit of going wrong at Waterloo Road.