Cha bheag nach eil eolas aig daoine air sgeulachd Clach Sgàin agus mar a chaidh a' toirt a Abaid Westminster trath air madainn na Nollaig bho chionn cha mhor tri fichead bliadhna. Tha an drama seo a'toirt sealladh as ur air sgeulachd phearsanta aon dhen a bha lathair, Kay NicMhathain. The story of the removal of the Stone of Destiny from Westminister Abbey by a group of students is well known. This drama offers an insight into the personal and political motivations of one of those who took part, Kay Matheson.