Iestyn Mortymer was sentenced to twenty-one years transportation to the colonies for his part in the Chartist Rebellion of 1839. But three years on, he escaped during the massacre of the British Army in Afghanistan, and returned to Wales under a false identity.His beautiful Afghan lover Durrani, granddaughter of Dost Mahommed, the King of Kabul, having been banished from her country because of her relationship with Iestyn, joins him with their son, Suresh, to begin a new life in West Wales, farming at Cae White, near Carmarthen.However, Durrani's grandfather has other ideas. His kingship is under threat from Akbar Khan, his traitorous warrior son. To prevent Akbar from seizing the throne, Dost Mahommed changes his mind about his granddaughter's banishment and now seeks to have young Suresh returned to Kabul, in order for the child to take the throne, with his mother as Queen regent. The Dost's insistent command finds little welcome among the residents of Cae White Farm, however, and Iestyn prepares for battle...