An Invisible Sign
Count on the unexpected.
10/6/2010
Imdb: tt1212454
Tmdb: 59435
Popularity: 8.895
Vote: 5.195/10 (110)

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.