An Invisible Sign Synopsis
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.
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Movie Reviews

An Invisible Sign - Wholly Inappropriate for Anyone...

By Oldfatguy
The opening sequence is a cartoon which deals with a family trying to avoid having a family member killed by volunteering - mom, dad,son,daughter- to be dismembered. There is no acceptable way to...

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Rated NR | For some disturbing images and mature thematic material
What Parents Need to Know
Common Sense Media says Lukewarm dramedy is OK for teens but lacks power.
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POSITIVE MESSAGES
VIOLENCE & SCARINESS
LANGUAGE
CONSUMERISM
SEXY STUFF