Robert Westfall's life is falling apart - everywhere but in his maths class. That's one place where problems always have a solution. Robert's maths teacher, Andrew McNelis, watches his best student floundering, wary of crossing the line between professional and personal. Gradually, Andrew becomes Robert's friend, then his confidante. As the year progresses, their relationship - in school and out of it - deepens and changes. And as hard as he tries to resist, Andrew knows that he and Robert are edging into territory that holds incalculable risks.