Robert and Anna return to COBRA to try and devise an effective strategy against members of an environmental protest group who are blocking traffic from going through a railway tunnel.

Following the sinkhole collapse, Robert and Rachel hurry to the site in the hope that Ellie might still be alive. Unbeknownst to them, Ellie has made a shocking discovery underground.

The government faces intense scrutiny for legislating an anti-protest bill deemed to be too aggressive, leading to police forces deciding to go on an unofficial strike in response.

While the government frantically launches a search operation to recover a stolen weapon, Dan and his group of mercenaries threaten to use it unless their demand for a ransom gets met.

Dan breaks into Archie's home, demanding that Robert resign from his post of prime minister or he will resort to using the weapon.