Lucy tries to up her telly game with quiz show lessons from Russell Kane, Jon and Lucy get help from a relationship therapist, and Jon manages to anger the usually unflappable Dan Walker.
The Widow sends a nasty treat to Basil and friends, which sends Kashtinsky over the edge; the Botticelli sisters arrange for Verdi to have their portraits taken; Georges Rondeau, the prime suspect in the murders, preys on Regina.
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.
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.
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.
As Rayburn's rep takes a hit, Kate drops in on Dennison's private meeting at the UK Foreign Office and learns startling information about the attack.
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.
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.
Tempers flare at Chevening House, where an unexpected guest's arrival sends Kate and Dennison scrambling for a resolution. Hal makes a new connection.
After her self-destructive spiral, Vivian is determined to turn over a new leaf at her nieces’ birthday party, but things don’t go to plan. Meanwhile, Amy’s gone MIA, but will anyone step in to stop her, before she makes a huge mistake?
After agreeing to take on her grandfather’s post, an anxious Vivian calls on Dane to school her in the art of suicide prevention while John is attempting to keep new boyfriend Alejandro out of his family life.
After Walt’s ashes ceremony goes horribly wrong, Vivian convinces Hendrix to partake in a well-worn tradition from their teenage years and throw a party at the house. Meanwhile, Amy’s charming fiancé George shows up and is roped into the chaos.
In the wake of a tragedy at the ledge, Vivian abandons her post and falls back into old habits. Meanwhile, John takes Hendrix on a brother s’ golfing trip to try and get to the bottom of his problems with Laura.
When the granddad who raised her dies in his sleep, the self-destructive Vivian inherits his cliffside property and the unexpected responsibility that comes with it.
As John and Vivian go head-to-head in a mediation over his food truck, Hendrix is pulling out all the stops to save his marriage.
Rebecca and Susan Parker invite the twins upstate for a dinner and a pitch.