Meet Garvie Smith. Reprobate, genius, waster, and sometime detective. A boy from Marsh Academy has been shot, with no clear motive and no clues. DI Singh is on the case, and he's determined to keep Garvie away. But Garvie knows he's the only one who has any idea where to look for the answers. Starting with his best friend's girlfriend. And it's going to take more than flunking his exams to stop him getting involved.