‘The Diplomat’ Season 4 Trailer Brings Keri Russell to Brink of War With the White House

The first full-length trailer for The Diplomat Season 4 reveals Keri Russell's Kate Wyler facing intense political conflict. Returning to Netflix on Oct. 15, the political thriller follows Wyler as she confronts President Grace Penn and Vice President Hal Wyler regarding their covert actions and aggressive foreign policy. The American ambassador to the U.K. challenges a culture of consistent lawlessness, dealing with the fallout of decisions that may have crossed the line against Russia and other entities.