Escalofrio aka Satan's Blood (1978)

Escalofrio aka Satan's Blood (1978)

Andy and Thelma, an urbanite couple living in Madrid, leave their apartment for a
pleasant day around the city with their dog. They cross paths with Bruno and Anne,
a strange couple who invite them to their foreboding country estate. A storm hits
that evening and the two stay overnight. The couples engage in a bit of harmless
communication with spirits via ouija board, but soon past conflicts arise Thelma
had an affair with Andy's brother, and Anne criticizes Bruno over his attempted
suicide. This is only the beginning of all the horrors that will haunts them in
the house.