Welcome to ground zero, Sarajevo - Sunday 28th June 1914. A team of psychics race to Sarajevo in June 1914 on a mission to stop the assassination of Archduke Franz Ferdinand and avert a First World War... Recruited by the King and Foreign Secretary Sir Edward Grey, who have identified Habsburg-annexed Bosnia as a potential flashpoint for tensions in Europe, master-psychic Robert Tulliver puts together a team consisting of the telepathic suffragettes Emily Wilding Davison and Mary Richardson, Croatian writer Miroslav Krleža, Yugoslavian poet Ivo Andrić and the volatile telekinetic Jack Mayfair. But they find themselves out of their depth in the face of conspiracies within conspiracies - first the plots of the Serbian Black Hand group, then the deeply sinister machinations of the Invisible Nation - all drawing them ever-closer to an inevitable confrontation with seven young assassins beside the Latin Bridge...