Blindness / Proof (Blu-ray + UltraViolet)
A doctor's wife becomes the only person with the ability to see in a town where everyone is struck with a mysterious case of sudden blindness. She feigns illness in order to take care of her husband as her surrounding community breaks down into chaos and disorder.
The daughter of a brilliant but mentally disturbed mathematician, recently deceased, tries to come to grips with her possible inheritance: his insanity. Complicating matters are one of her father's ex-students who wants to search through his papers and her estranged sister who shows up to help settle his affairs.