A man plagued by visions of Alcatraz visits the prison, only to find his brother possessed by a cannibal entity. He's aided by a heavy metal singer's ghost in battling the evil force.A man plagued by visions of Alcatraz visits the prison, only to find his brother possessed by a cannibal entity. He's aided by a heavy metal singer's ghost in battling the evil force.A man plagued by visions of Alcatraz visits the prison, only to find his brother possessed by a cannibal entity. He's aided by a heavy metal singer's ghost in battling the evil force.