Simon Templar is taking a leisurely drive though the French countryside when he picks up a couple of hitchhikers who are going to work at Chateau Ingare, a small vineyard on the site of a former stronghold of the Knights Templar. At the Chateau, the Saint discovers a noble family seemingly plagued by a curse.
This book is part of the Simon Templar Books series and is book #50 in the series.