An Invisible Sign
Description
Mona Gray is a 20-year-old loner who, as a child, turned to math for salvation after her father became ill. As an adult, Mona now teaches the subject and must help her students through their own crises.
Stars
Jessica Alba, Bailee Madison, J.K. Simmons, Chris Messina, Sônia Braga
Runtime
96 minutes
Release Date
October 6, 2010
Rating
5.2/10 (117 votes)