FLESH FOR THE BEAST is the story of a notorious turn-of-the-century occultist named Alfred Fischer (Aldo Sanbrell) who acquires a mystical medallion from a Gypsy Woman (Caroline Munro) and conjures up a slew of ravishing, female demons or succubi from the depths of hell. The beasts demand a steady diet of fresh human prey that only a mortal human servant like Fischer can provide.

To satisfy and control the demons, Fischer turns his stately mansion into a high-class bordello to attract human prey for the demons posing as beautiful prostitutes! Almost a century after Fischer has met his mysterious demise, the new owner, John Stoker (Sergio Jones), hires a crack team of parapsychologists to investigate the haunted manor and rid the house of its evil aura.

The psychic team, led by energy field expert Ted Sturgeon (Clark Beasley Jr.), consists of Jack Ketchum (Jim Coope) and Joseph Monks (Victor Flynn), two documentary filmmakers- Martin Shelley (Mike Sinterniklaas) and Douglas Clegg (Aaron Clayton) and the powerful, young psychic, Erin Cooper (Jane Scarlett). As the team members split up to investigate different levels and wings of the house, Stoker and Erin venture into the dark, dank cellar.

Meanwhile upstairs, each male team member experiences a strange, sensual and ultimately fatal encounter with a series of sultry and seductive sirens. Theres Pauline (Caroline Hoermann), a respectable and proper lady on the surface who startles Ketchum in the bathroom. Theres Cassandra (Ruby La Rocca), an immature, reckless and insatiable lass who violently teaches Clegg to respect her toys. And theres Irene (Barbara Joyce), an aggressive, animalistic vixen who proves too much for Shelley to handle! During her explorations, Erin is plagued by shocking, violent visions and must face an obstacle course of madmen, rotting zombies and hungry demonic spirits!
Soon, Erin realizes she is the lone survivor and that Stoker has a diabolical master plan that involves her and a powerful, supernatural medallion and her as a human sacrifice! A tidal wave of terror crashes upon Erin as she learns the dreaded secret of the medallion and her own doomed, demonic destiny!