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An Invisible Sign (2010)

An Invisible Sign (2010)

Count on the unexpected. 2010-10-06 United States of America 96 Min. PG-13
5.2 109 votes

Overview

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.