Jessica Alba has signed on to star in Marilyn Agrelo’s upcoming drama “An Invisible Sign of My Own,” according to Variety.

Based on the novel by Aimee Bender, the story centers on a young woman who lives in solitude and spends most of her time burying herself in a world of numbers and math. Everything changes when she takes on a job as second-grade math teacher.

Agrelo, whose credits include “Mad Hot Ballroom,” is directing a script by Mike Ellis and Pam Falk. The duo also wrote Adam Shankman’s 2001 comedy “The Wedding Planner.”

Alba most recently starred in “The Eye” and “The Love Guru.”