The Diplomat Season 4 Finale: Stuart's Career Ruined, Kate's Defiance, and the G7 Cliffhanger
The Diplomat Season 4 concludes with a dramatic fallout at the G7 summit. President Grace Penn threatens military action against the UK over a stolen nuclear weapon, leading to the recall of Deputy Chief of Mission Stuart Hayford. Kate Wyler publicly protests the president, triggering a cascade of resignations and leaving the US-UK alliance in tatters.