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Currently you are able to watch "The Grotto" streaming on Flix Premiere or for free with ads on The Roku Channel, VUDU Free, Tubi TV. It is also possible to rent "The Grotto" on Amazon Video, Apple TV online and to download it on Amazon Video, Apple TV.
Carlo and Melissa stay at a seaside villa but everything changes when Melissa discovers an ancient book of demons and the ghost of a 10 year old boy that's been dead for 40 years. She becomes possessed and it's up to Carlo, with the help of Anna De Luca, a professor on demonology, to stop the ritual that will bring about the rebirth of a 400 year old demon.
