An Invisible Sign
Based on the 2001 novel "An Invisible Sign of My Own" by Aimee Bender , the film is about a painfully withdrawn young woman who , as a child , turned to math for comfort after her father became ill , and now as an adult , teaches the subject and must help her students through their own crises . 
<triplet> An Invisible Sign <subj> Aimee Bender <obj> screenwriter