A movie about iconic abolitionist Harriet Tubman is in development from “Homeland” director Seith Mann.

The project has a working title of “Harriet.”

Tubman was born into slavery, escaped in 1849 and made more than a dozen missions to rescue about 70 slaves though the Underground Railroad. She served as a spy for the Union Army during the Civil War and campaigned for women’s suffrage.

The U.S. Treasury announced last month that Tubman will replace Andrew Jack