<p>When Lynden Grisdale receives an unexpected inheritance his quiet life in Cumbria is upended. Amongst his great-aunt's belongings lie two curious objects: a broken theodolite and an old diary written by Hartley Birkett a 19th-century railway surveyor whose life was steeped in heartbreak and mystery.</p><p></p><p>Driven by curiosity Lynden travels to France to follow Hartley's trail. In the town of Vienne he meets Tess a woman with her own ancestral enigma and a strange connection to Lynden. As they delve into the past their bond deepens and the boundaries between history and destiny begin to fade. </p><p></p><p>Visions echoes and old letters suggest that Hartley's story isn't entirely in the past. As Lynden and Tess examine the diary's secrets they are drawn into a love story that seems to mirror their own. Are they uncovering history... or reliving it?</p>