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An Invisible Sign on Blu-ray

Jessica Alba delivers a most unexpected performance as Mona Gray, a quirky young woman who has hidden in a private world of numbers ever since her father became ill. When Mona is offered a job as an elementary school math teacher, at first she is terrified but soon she introduces the students to her numerical obsession and inspires their own love of numbers. 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 comedic drama about second chances, emotional equations and calculating the power of love.