Netflix released The Diplomat Season 2 worldwide on October 31, 2024.
All six episodes are available to watch there. Episode 1 is titled When a Stranger Calls.
It starts right after the big bombing at the end of Season 1. U.S. Ambassador Kate Wyler faces chaos. She and British Foreign Secretary Austin Dennison find signs of a secret plot in the British government. A car bomb explodes in London. Some embassy staff get badly hurt, and one person dies.
Kate must deal with her grief, her job, and the dangerous plot, all while asking herself: Who can she trust?
The Diplomat Season 2 Episode 1 recap — When a Stranger Calls

The Diplomat, Season 2, Episode 1 starts right after Season 1 ends. There is political trouble and personal problems. The US and UK face chaos after a deadly London explosion. The characters’ futures are uncertain.
The episode starts in Paris. U.S. Ambassador Kate Wyler (Keri Russell) and British Foreign Secretary Austin Dennison (David Gyasi) are there. They want to check if British Prime Minister Nicol Trowbridge (Rory Kinnear) planned the attack on the British warship HMS Courageous. They went to France to ask French Minister Brielle Fournier to help capture Roman Lenkov.
Lenkov is the Russian mercenary who attacked the warship. But Kate finds out the British wanted to kill Lenkov, not capture him. This makes her worry about Trowbridge’s real plans.
Their mission in Paris stops suddenly when a car bomb explodes in London’s Notting Hill in The Diplomat Season 2 Episode 1. The bomb hits a meeting. Kate’s husband, Hal Wyler (Rufus Sewell), is there. British MP Merritt Grove (Simon Chandler) is there. Stuart Hayford (Ato Essandoh) and aide Ronnie Buckhurst (Jess Chanliau) are there too.
Kate and Austin fly back to London as they worry about who survived.
When Kate arrives, she learns Merritt Grove is dead. Hal, Stuart, and Ronnie are badly hurt. They go straight to surgery. They start to suspect that someone in the British government planned the attack. The car bomb was made in Britain, and Russians gave money to the Tory party. This makes Grove look suspicious.
Kate fears the U.S. was the target. She tells CIA Chief Eidra Park that the danger came from inside.
Kate and Eidra talk safely using a whiteboard. They write in code, so no one can hear. The scene is tense. It shows Kate is smart and careful. She urges Eidra to check Trowbridge. But the CIA has rules that make this hard.
At the hospital, Kate sees the human cost of the attack. Hal comes out of surgery alive. Kate breaks down and climbs into his hospital bed. She shows a rare, vulnerable side in The Diplomat Season 2 Episode 1.
Stuart also survives, but his memories are confused. He thinks the explosion was a car crash. Ronnie dies after almost 11 hours of surgery. The team is devastated. Kate must make the sad call to tell Ronnie’s family.

The personal losses mix with political problems. Hal and Kate talk about who knew about the meeting with Grove. They realize Kate told Margaret Roylin, Trowbridge’s adviser, about it. This might have put Roylin in danger.
The Diplomat Season 2 Episode 1 shows how Kate must balance personal loyalty and her duty to the country.
Meanwhile, Trowbridge is angry about the bombing. He calls a COBRA meeting with British Cabinet officials and American representatives. He first blames Russia. But evidence shows the bomb was made in Britain. This makes his story doubtful.
Trowbridge’s wife, Lydia (Pandora Colin), is shown as the one guiding him and giving advice. She tells Austin Dennison to find Margaret Roylin, who has gone missing. This adds more mystery.
The Diplomat Season 2 Episode 1 shows Trowbridge as a reactive, witty, and often grumpy leader. Lydia is calm and strong, which is very different from him. Roylin disappears. She later secretly calls Kate. She uses the name of a dead former ambassador. This hints at a bigger conspiracy and rising danger.
The episode shows Kate’s personal struggles. She is frustrated and upset. She rips off a red ball gown and borrows a male aide’s suit to focus on work. Her relationship with Hal shows love, but also work tension. Eidra helps Kate investigate. This shows how personal loyalty and professional duty mix together.
Ronnie’s death, Stuart’s uncertain condition, and Hal’s survival make the episode very emotional. Roylin’s secret call keeps the political danger high. Kate has two roles: ambassador and family member. This shows the personal cost of diplomacy and international trouble.
The Diplomat Season 2 Episode 1 ends with Roylin calling Kate using a fake name. Viewers are left with questions: Why is she hiding? What does she know? How will Kate respond?
The mix of danger and human emotion sets up a strong start for Season 2.