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.

Knowing his daughter is alive, Sutherland begins to deal with the aftermath of the sinkhole and abduction of Princess Yadira.

The government face scrutiny for legislating an aggressive anti-protest bill, leading to police forces going on an unofficial strike.

The government frantically search for a stolen weapon. Dan and his mercenaries demand to be paid a ransom, or the weapon will be used.

Dan breaks into Archie's home, demanding Robert resign from his post or he will use the weapon.