An Invisible Sign

When a puzzling disease devastates her beloved father, math prodigy Mona Gray deals with the pain by isolating herself from the rest of the world and turning for comfort to the reliable world of mathematics. But when she later teaches math to troubled grade school kids, Mona discovers that her gift can be a route back from her long emotional exile. Marilyn Agrelo directs and Jessica Alba stars in this adaptation of the book by Aimee Bender.