The Oasis(1984)

"What would you do to survive?"

Overview

A plane crash in the Mexican desert leaves a small group of survivors who are desperate for food and water. Fearing that they may never be found where they are, they head for where it is hoped there will be civilization and rescue. When their hopes prove unfounded, they must face the horrible possibility of choosing between giving up and dying, or doing the unthinkable to survive.