In the cellar of an Edinburgh house, two gunshots ring out. Across town, disgraced lawyer Max McCall is released from prison. For the Leith area of Edinburgh, a bright new future is being promised. These events will entwine characters old and new, as they battle the consequences of their actions amidst shocking new developments.

"Iris Carr is travelling across Europe by train when she unwittingly becomes embroiled in a sinister Balkan plot. Feeling disoriented after a fall, Iris is befriended by Miss Froy, an elderly English woman sharing her carriage. But when she wakes up from a few hours' sleep, Miss Froy has vanished without a trace. As fellow passengers claim the lady never existed, Iris faces danger and intrigue as she fights to discover the fate of Miss Froy-- and...