April, 1865. Having been an eye witness to the assassination of President Lincoln, Matthew Grand, a former captain of the 3rd Cavalry of the Potomac, has come to London on an undercover assignment to hunt down the last of the assassin's co-conspirators. Ambitious young journalist Jim Batchelor has been charged with writing a feature article on the visiting American, with the aim of getting the inside story on the assassination. Both men are distracted...

Intrepid 19th-century private investigators American Matthew Grand and Englishman James Batchelor return in their second mystery. July, 1868. On receiving a commission from Matthew's cousin Luther to look into the suspicious death of Lafayette Baker, Head of the US National Detective Police, private investigators Matthew Grand and his business partner James Batchelor leave London for Washington DC. They find a country still scarred by the bitter legacy...

"March, 1875. Although he has never had much time for George Custer, hero of the American Civil War and Commander of the 7th Cavalry, Matthew Grand feels duty bound to respond to a call for help from his West Point contemporary. Arriving at Fort Abraham Lincoln, deep in Dakota territory, private enquiry agents Grand and Batchelor discover the fort to be a powder keg of rumour and suspicion, petty rivalries, resentments - and closely-guarded secrets....