It is 1923 & Evangeline English keen lady cyclist arrives with her sister Lizzie & their zealous leader Millicent at the ancient city of Kashgar to establish a mission. As they encounter resistance & calamity Eva commences work on her Lady Cyclist's Guide to Kashgar... In present-day London Frieda opens her door to find a man sleeping on the landing. Tayeb a Yemeni refugee has arrived in Frieda's life just as she learns that she is next-of-kin to a stranger a woman whose abandoned flat contains many surprises. The two wanderers embark on a journey that is as great & as unexpected as Eva's.