Tory Party Chief Whip Francis Urquhart decides to become Prime Minister of Great Britain and begins as campaign of weakening the incumbent as well as potential rivals for the position.
Urquhart's plan to undermine the Prime Minister gathers force and he consolidates his power as the annual Conservative Party conference begins.
Urquhart's plan to nuke Prime Minister Collingridge reaches its conclusion. Roger O'Neill, under threat of blackmail, agrees to assist Urquhart. Matttie Storin investigates the true story behind the downfall of Collingridge.
Urquhart becomes even more ruthless as he reaches for the brass ring. Mattie finds evidence against Urquhart and she confronts him at the House of Commons.