A Mexican-American couple expecting their first child relocate to a migrant farming community in 1970's California. When the wife begins to experience strange symptoms and terrifying visions, she tries to determine if it's related to a legendary curse or something more nefarious.

After a couple of weeks seeking out his teenage daughter Maggie, Wade finds her in the quarantine wing of a hospital. Maggie has been infected by a lethal outbreak that transforms the victim into a zombie. Wade's friend Dr. Vern Kaplan releases Maggie to spend her last days with Wade and her family. Her stepmother Caroline asks Wade to take their little kids to her sister's house to keep them safe. While Maggie is slowly transformed, Wade stays with her protecting Maggie. But Dr. Vern warns him...