Art historian Helen Rosslyn, whose husband's ancestor built the Rosslyn Chapel, founded in 1446, is the guide on a journey of discovery around an exquisite building.

The exquisite Rosslyn Chapel is a masterpiece in stone. It used to be one of Scotland's best-kept secrets, but it became world-famous when it was featured in Dan Brown's the Da Vinci Code.

Art historian Helen Rosslyn, whose husband's ancestor built the chapel over 550 years ago, is the guide on a journey of discovery around this perfect gem of a building. Extraordinary carvings of green men, inverted angels and mysterious masonic marks beg the questions of where these images come from and who the stonemasons that created them were. Helen's search leads her across Scotland and to Normandy in search of the creators of this medieval masterpiece.