An Invisible Sign (2010)

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.

Crew: Marilyn Agrelo

Cast: Jessica Alba, Bailee Madison, J.K. Simmons, Chris Messina, Sônia Braga

Format: DVD

Genre: Family, Drama, Romance, Comedy

Rating: PG

More information (TMDB)