An Invisible Sign -Blu-ray-

Jessica Alba delivers a most unexpected performance as Mona Gray, a quirky young woman who hides in a private world of numbers when her beloved mathematician father falls ill. But when Mona is offered a job as an elementary school math teacher, she ll introduce the students to her own eccentric gift for numerical obsession. Can the joys of arithmetic multiplied by a shy romance with the school science teacher (Chris Messina of Julie & Julia) help Mona discover a new life she can count on?  J.K. Simmons (Juno), Sonia Braga (Sex and the City), Bailee Madison (Wizards of Waverly Place) and John Shea (Gossip Girl) co-star in this offbeat and heartwarming comedy/drama about second chances, emotional equations and calculating the power of love.