Jessica Alba
Mona Gray
Bailee Madison
Young Mona
J.K. Simmons
Mr. Jones
Chris Messina
Ben Smith
S么nia Braga
Mom
John Shea
Dad
Drama
Comedy
Romance
Family
An Invisible Sign
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.
