Tom Quinn and his MI5 team search for a pro-life terrorist who targets abortion clinics.
Tom and Helen's safety is compromised when an undercover operation spirals out of control.
Zoe finds herself in the middle of a siege while undercover at the Turkish Consulate.
President Bush's visit to the UK sparks a wave of anti-capitalist demonstrations.
The potentially scandalous memoirs of disgraced MP Hampton Wilder have gone missing.
The leader of an Irish splinter group promises Tom information on a planned attack.
