A man's investigation into Alcatraz's dark past leads him to uncover a sinister presence: his brother has become possessed by a malevolent cannibal demon. As he searches for a way to save his brother, the ghost of a legendary heavy metal singer, who met a tragic fate on the island, joins forces with him to defeat the monster and shatter the curse that haunts Alcatraz.

Slaughterhouse Rock
A man uncovers Alcatraz's dark history, only to discover his brother is possessed by a malevolent force. He teams up with a vengeful spirit, a former heavy metal singer who died tragically at the prison, to exorcise the evil and rescue his brother.