Nightmare in the Desert, inspired by actual events, stars De Sauvage as Shae, a young woman who returns to her hometown, hoping to put her past to rest but instead finds herself in a battle for survival in the desert. After her father’s passing, Shae (De Sauvage) returns to her childhood home outside of Joshua Tree National Park with her boyfriend Chris (Watson) to tie up loose ends and sell her childhood home. To make the most of their time there, Shae and Chris set out on a hike through the park where he plans to surprise her with a proposal. But a mysterious figure begins to track the couple through the desert, determined to prevent the proposal from happening, even if it means murder.