Spoilers for Black Doves Season 2, Episode 3, “P Is for Poison.”
“P Is for Poison,” the third episode of Black Doves Season 2, turns a seemingly polished political dinner into the setting for a carefully coordinated assassination. While Helen Webb tries to uncover what happened to her handler, Mrs. Reed, Sam is pulled deeper into a job for the shadowy organization Kestrel. Their priorities collide at exactly the wrong moment: Helen needs Sam’s help, but Sam is already preparing to kill Alexi Chernov.
The episode, which runs about 49 minutes, is built around three connected pressures: Sam’s guilt after a desperate decision, Helen’s increasingly fragile cover story, and the Chernov dinner that lets the show’s political and criminal worlds overlap. Its biggest development is not simply that Alexi dies. It is that the people around Helen and Sam begin to understand how useful—and dangerous—their connections have become.
Where the episode begins: Sam after Jerry
The story picks up in the aftermath of Sam’s decision to kill Jerry. The choice weighs heavily on him. Rather than moving cleanly on to his next assignment, Sam is left dealing with the emotional consequences and questioning what his work for Kestrel is turning him into. His relationship with Helen is also strained: she keeps trying to reach him, but he is frustrated with the Black Doves and increasingly reluctant to risk himself for an organization that has given him little reason to trust it.
That tension is important because Sam and Helen have often relied on their instinctive understanding of one another. In this episode, that bond is still there, but it no longer guarantees agreement. Helen wants to protect the life she has built and find Reed. Sam sees the danger of continuing to fight for the organization and wants something in return for taking further risks.
Helen and Laila search for answers about Reed
Helen refuses to wait for the Black Doves to explain what happened to Reed. She turns to Dani for help accessing information connected to the Wildflower files, then works with Laila to get answers from someone inside the organization. Their effort to locate Reed shows Helen moving beyond the role of a spy who simply follows instructions. She is willing to use force and take operational risks when the people controlling the information refuse to tell her the truth.
When Helen and Sam finally meet, the conversation becomes an argument about priorities. Sam does not believe saving Reed is worth the danger, while Helen cannot accept abandoning her handler or the organization without understanding what is happening. The disagreement is not just tactical. Helen still has a personal investment in the world of the Black Doves; Sam is beginning to see that world as a trap.
The Chernov dinner: a political event with a hidden operation
The central set piece takes place at a formal dinner involving Helen, her husband Wallace, and the Chernovs, Alexi and Katia. On the surface, it is a diplomatic and political gathering. Wallace’s position and the conversations around international relations give the evening an official veneer. But the real operation is happening out of sight, with Sam, Williams and Eleanor coordinating the plan to poison Alexi.
The contrast is classic Black Doves: the guests maintain the manners expected at a high-level dinner while the people working behind the scenes prepare a murder. Eleanor’s role as a disguised waitress helps create a distraction at the table, allowing the poisoned food to reach Alexi without turning the dinner into an immediate confrontation. The plan depends on timing and on the guests interpreting the disruption as an awkward moment rather than an attack.
Wallace’s dinner choice adds another layer of tension. The details of what is served matter because the poison has to reach the intended target without putting the wrong person in danger. The sequence makes the domestic and political sides of Helen’s life feel uncomfortably close: she is hosting a powerful guest while her closest ally is helping arrange his death.
Helen questions Katia about the dead housekeeper
During the dinner, Helen gets a private moment with Katia Chernov and uses it to press for information. She asks about Ida, the housekeeper whose death has raised questions, and about the incident in Paris that Helen suspects was not an ordinary robbery. Katia is an important person to question because the Chernov household may hold clues to the history Helen is trying to connect with Reed and Wildflower.
The conversation is a quiet contest. Helen has to appear like a guest making reasonable inquiries, not an operative conducting an interrogation. Katia, meanwhile, has every reason to control what she reveals. The scene builds unease without needing a shootout: both women understand that the polite setting is concealing a much more dangerous exchange.
Alexi Chernov is poisoned
The dinner operation succeeds. After the guests leave, Alexi becomes ill in the car and dies from the poison. Sam has completed the assignment, but Helen is furious that he carried it out without telling her what was happening. From her perspective, he has used her access to the Chernovs while keeping her in the dark about the consequences. The murder also changes the stakes of Helen’s investigation: the people she is questioning are now connected to a lethal operation happening within her own social circle.
Alexi’s death is more than a successful hit for Kestrel. It shows how Sam’s access to Helen can make him unusually effective. Helen’s position opens doors that would be difficult for an outside operative to enter, while Sam’s team can act in the spaces around her. That overlap is one of the episode’s most unsettling ideas.
MI5 starts probing Helen’s past
While the Chernov operation is being prepared, Helen is called into a security interview with Officer Perryman. His questions about the cemetery in Kenya where her parents are supposedly buried and the name Bonnie Weir expose weaknesses in the identity Helen has presented to the authorities. Bonnie is identified as someone who claimed to be Helen’s stepsister and contacted the government. Helen learns that Bonnie died in prison, but the questions make clear that her past is attracting attention.
This subplot raises the pressure in a different way from the assassination. Helen can manage a dangerous dinner with practiced composure, but a formal security review threatens the story she has relied on for years. If officials can find inconsistencies in her background, her political marriage and her covert work may become much harder to keep separate.
Reed’s location changes the next move
By the end of the episode, Helen receives information that points her toward Reed’s location. She confronts Sam about killing Alexi without telling her, then makes it clear that she is not prepared to let Kestrel dictate what happens next. At the same time, the Black Doves’ leadership has reason to suspect that Sam and Laila are involved in the recent deaths of its agents. That suspicion puts both of them in danger.
The final turn is especially cruel for Sam: his next assignment is connected to Wildflower, the codename associated with Reed. The woman Helen is desperate to find is now tied directly to the mission Sam is being pushed to carry out. The episode ends with the two friends moving toward a crisis that neither can fully control.
What “P Is for Poison” changes in Season 2
- Sam’s loyalty is no longer dependable: His grief and anger after Jerry’s death make it harder for Helen to predict what he will do.
- Helen is taking control: Her search for Reed pushes her to act independently rather than wait for instructions.
- The Chernov operation has consequences: Alexi’s death may satisfy Kestrel’s immediate objective, but it puts Helen’s personal and political connections under greater strain.
- Helen’s cover is under pressure: Perryman’s questions suggest that the authorities are examining the details of her identity.
- Reed becomes the next point of collision: Helen’s rescue effort and Sam’s assignment are heading toward the same person from opposite directions.
Frequently asked questions
What happens in Black Doves Season 2, Episode 3, “P Is for Poison”?
Helen investigates Reed’s disappearance and questions Katia Chernov, while Sam and his team carry out a poisoning operation against Alexi Chernov during a formal dinner. The episode also shows MI5 probing Helen’s background and ends with Reed becoming central to Sam’s next assignment.
Does Alexi Chernov die in “P Is for Poison”?
Yes. Sam’s operation succeeds, and Alexi dies from poison after the dinner.
Why is Helen angry with Sam?
Helen is angry because Sam carries out the Chernov assassination without telling her, even though the operation takes place during a dinner she is attending with Wallace and the Chernovs.
What is Helen trying to find out about Reed?
Helen is trying to locate Reed and understand the mystery surrounding the Wildflower files and the events that led to Reed being taken out of the Black Doves’ control.
What does MI5 ask Helen about?
Officer Perryman questions Helen about details of her supposed family history, including the cemetery in Kenya where her parents are said to be buried and a woman named Bonnie Weir who claimed to be her stepsister.
Why is the Chernov dinner important?
The dinner brings Helen’s political life and the covert operation against Alexi into the same room. It demonstrates how her access to powerful people can be exploited by operatives working behind the scenes.
Sources and further reading
- Show Snob: Black Doves Season 2 Episode 3 Recap
- TVmaze: Black Doves Episode Guide
- We Have Issues: “P Is for Poison” Episode Review
- Netflix Tudum: Black Doves Season 2 Guide
By Shivam Das
