Orgy of the Damned (2010)

Fosco, a 300 year old vampire, lives in a beautiful mansion with his wife Sabina and their son Dimitri. Their lives are a non-stop lust orgy where anything goes and always does! Until, Fauna, a naive young woman, and her boyfriend, Micah, show up and turn the ecstasy-driven clan into murderous back-stabbers, hell-bent on revenge and power.