After a hostile attack on a British vessel, seasoned diplomat Kate Wyler assumes a new role in the UK that puts her skills - and marriage - to the test.
As new details about the bombing emerge, Kate struggles to see eye-to-eye with Hal. Prime Minister Trowbridge's fiery remarks at a funeral cause a stir.
At Winfield, President Rayburn's plans in the Gulf have the staff on edge as tensions between a determined Hal and a strong-willed Kate come to a head.
To appease Trowbridge, Kate seeks Hal's help with a high-profile visitor and consults an informed source in secret as complicated feelings begin to grow.
After a sit-down with a Russian ambassador leads to new intel and mixed messages, Kate takes a trip to the Oval Office and reconnects with an old friend.
In London, Hal's actions cause friction as Kate heads to Paris with Dennison to get a handle on the Lenkov situation, which soon takes a shocking turn.