Iona Khan – a young female detective with Manchester police – receives a tip-off about a coming terror attack.
With a major political conference about to take place, she must move quickly if multiple fatalities are to be prevented.
Normally, the city’s extensive CCTV network would be used to covertly track the bomb plotters’ movements. But in this case, the tactic proves futile: the gang have found a way to strike from beneath the ground…