The zombie ghost of a drowned excursion boat captain Manfred Gohr haunts an Austrian lake in search of vengeance against those who caused the accident.The plot of "Dark Echo" sounds familiar for an avid horror fan.It pretty much reminded me John Carpenter's horror classic "The Fog".The film offers some atmospheric moments shot in caves and old castles and few interesting underwater shots.The gore is completely absent apart from badly made decapitation of the witch.The acting is decent,but the pace is terribly slow.Still if you are a collector of extremely tough to find European horror films you can give "Dark Echo" a look.I'm also sure that Robotham's debut was released many years ago in Poland on VHS under the title "Mroczna glebia".6 out of 10.