When nine skeletons were exhumed near Ekaterinburg, Siberia in July 1991 it prompted an investigation into whether they were the remains of Nicholas II and his family, executed by Bolsheviks 73 years earlier. This investigative history, framed by a narrative of the Romanov’s last days, records the scientific processes that were undertaken by experts from Russia, America and the UK in order to establish the identities of the remains.