Former pirate chief MacDonald has gone to England and won amnesty for his band of buccaneers, promising to reform them into peaceful colonial ways. But what follows is an engaging and ruthless tale of deceit and treachery as MacDonald faces ruin due to traitors who plot to overthrow him and seize Blood Island whose waters contain a valuable treasure.

Upon his uncle's death, Serge Chekov journeys to a spooky Scottish village for the reading of the will. But when he inherits the estate, Serge runs afoul of his uncle's jealous wife , his business partner , his maid and others. It's not long before zombies join the fun in this Italian supernatural thriller, also starring Paul Naschy as a nutso gravedigger.