Margaret and Ben take a weekend trip with longtime friends Ellie and Thomas and their two young children. Eventually, Ben begins to suspect something supernatural is occurring when the kids behave strangely after disappearing into the woods overnight.
Cristina, a journalist of Mexican origin, travels to her ancestral home in Veracruz to investigate a story of sorcery and healing. There, she is kidnapped by a group of locals who claim she's the devil incarnated.
