Sarah Brandist

Having survived the bombing of the Thames Barrier, Adam and Ros recover to find London facing an even greater threat. While attempting to thwart an attack that could jeopardize a historic peace accord, the team unwittingly unleashes a deadly virus.

The penultimate season of the hugely successful, long-running drama introduces a host of new characters. There's Beth Bailey, a brilliant ex-mercenary who was posing as an Eastern European prostitute when she ran into the team. Dimitri, an ex officer in British Special Forces, has been recruited for his skills in fighting terrorism on the front line. And finally, data analyst Tariq has been fast-tracked through the system.