Not confirmed yet AFAIK
Part 1
The country is gripped by another wave of terror when rumours of biological warfare are propagated by the anti-government media group. Meanwhile, Jo is protecting the Prime Minister's son, Rowan, who has received death threats.
It soon becomes clear that, far from there being a foreign terror threat, a team of highly influential businessmen and politicians are attempting to stage a coup and take control of the government.
Full synopsis and credits list available after transmission