Proof July 25, 2012

Catherine, a troubled young woman on the eve of her twenty-fifth birthday, has spent years caring for her brilliant but unstable father, a famous mathematician. Now, following his death, she must deal with her own volatile emotions, the arrival of her estranged sister, and the attentions of Hal, a former student of her father's who hopes to find valuable work in the notes that the genius left behind. Over the long weekend that follows, a burgeoning romance and the discovery of a mysterious notebook draw Catherine into the most difficult problem of all: how much of her father's madness - or genius - will she inherit?