The Red Stone In the times of Don Porfirio Díaz, a history teacher is surprised by paranormal events triggered by one of her findings

After a violent confrontation, a wounded soldier is rescued by Yolanda, an elderly farmer, and her granddaughter Alejandra. The two live on a ranch in the middle of the mountains, where they hide the young man. While Yolanda decides whether they should help him, putting their own lives at risk, Alejandra will try to confirm her own suspicions.