Mair is looking for her lost grandfather - or at least a trace of his passing. Her journey takes her from a horribly dull veterinary surgery in Cardiff to the heat and passion of Torre del Burros in Spain, an Asturian town popular with pilgrims. There she uncovers not just her family's secrets, but those of the intriguing Hector: who is this scruffy, lanky but somehow mesmerising man - the congenital idiot his family believes him to be? An unsung genius? Or a misunderstood romantic with a heart of gold? Digging into the past - and the Civil War - brings unsettling revelations...