Satans Blood (1978)

Escalofrio 1978 Andres and Ana, an urban couple who live in Madrid, leave their apartment to spend a day of pleasure in the city with their dog They end up accepting the invitation of two strangers, Bruno and Berta, to go to eat at their country house A storm surprises them and they have to stay overnight together The two couples start a session with an Ouija board Conflicting past situations arise, such as Anas affair with Andress brother or a suicide attempt by Bruno, who receives criticism from Berta This will be the beginning of the horrors that will take place in the haunted house