While the team is working to clear up a volatile grave at a cemetery, Lucy hears a voice speak her name. Ghosts aren’t supposed to talk… are they?
Thomasine’s interventions have taken them wildly off course and Bannister has to plot a route through Dedham Vale on foot.
MI5 receive a red flash: radioactive material has been detected at an airport. They have intelligence that a highly dangerous anarchist with a penchant for dirty bombs has secretly entered…