Deputy Prime Minister Tom Dawkins takes on an American petrochemical company after an accident on British soil. The prime minister's death leaves a void at the top of the political ladder.

Tom Dawkins launches an enquiry into the toxicology anomalies at the blast in Scarrow.

Tom finds himself at the centre of a political storm after revelations of covert drone production.

Agnes tries every possibility to let Tom know the true circumstances around the death of the prime minister.