Walls of Sand is a 1994 American independent film directed and produced by Erica Jordan and co-produced by Shirin Etessam.
Soroya, who lacks a green card to enable her continued residency in the U.S., takes a job as the au pair for a young boy living with his divorced, agoraphobic mother (Jan Carty Marsh).
The woman's ex-husband, using the promise of securing a green card for Soroya, coerces her to provide information on the household, which would then be used in an upcoming custody battle over parental rights to the child.
They collaborated on the screenplay for Walls of Sand and raised the funds for their $80,000 budget through a sponsorship from the nonprofit organization Women Make Movies and the maxing out of 12 credit cards.
(In 1993, the feature film Wax or the Discovery of Television Among the Bees was presented in an invitation-only, one-time non-webcast hypertext transmission to a few dozen computer laboratories.