North West India, July 1897. Simon and Alice Fonthill are travelling with their old friend Jenkins to Marden, India for an anniversary party with the Guides Corps. But their journey takes a dangerous turn when they are ambushed and they realise the land may not be as peaceful as believed.
As the Pathans begin their revolt, Simon is tasked by Viceroy Elgin to deliver a very important letter to the Amir in Kabul. But he must battle against time and incredible odds when Alice is kidnapped by the Mullah leading the revolt.