FBI Season 9 Episode 6 puts Eva Ramos in two situations where knowing what to do and being able to do it are very different things. In “Ultimatum,” she can help stop a bomb plot from aboard the Staten Island Ferry, but she can’t make her mother leave an abusive relationship. The episode gets its emotional weight from letting both of those things be true at the end of the hour.
Juliana Aidén Martinez leads the episode as Eva, and Evangeline Young gives the ferry standoff its uncertainty as Jess. Missy Peregrym makes a quiet conversation between Maggie and Eva count as much as the action, while Zeeko Zaki and John Boyd are part of the team working the radioactive-material case.
Eva Gives Her Mother an Ultimatum
Eva takes time off and goes to Staten Island to see her mother. She arrives hoping this might be the visit when her mother is ready to get away from Dennis. Then she sees a fresh injury on her mother’s face. Eva wants to get her out of the house and urges her to involve the police, but her mother refuses to leave or press charges. They’ve had versions of this conversation for years, and Eva can’t bear having it again.
She tells her mother she’s done and heads back to Manhattan. Martinez gives that line the force of something Eva means in the moment, even if she has no idea how she’ll live with it. Eva can take a day off work, get on a ferry and show up at the house. All that effort only gets her to the point where the choice belongs to somebody else. The scene hurts because both women hear something different in Eva’s insistence that her mother leave.
The FBI Traces the Stolen Material to a Data Center Dispute
While Eva is away, the team investigates the theft of radioactive material from a medical disposal facility. The people behind the threat demand that the city stop a project identified as R913, a proposed Staten Island data center. Local opposition to the project gives the agents a lead, but it takes them to a group whose members have very different ideas about what to do with the material.
Bruce Medina intends to contaminate a pond in Central Park. The FBI catches him carrying out that plan, only to find that what he dumped wasn’t radioactive. Lewis Mitchell has already taken the real material and intends to use it in a bomb at the ferry terminal. Medina’s arrest looks like the end of the case for about as long as it takes to realize the most dangerous part of the plan is still in motion.
The shift also puts the terminal’s waiting passengers in a different light. Every minute the ferry stays put brings more people into the area Mitchell is targeting. The agents working the case on land can follow the material, but it takes Eva, stuck on the boat for an entirely different reason, to see how the delay fits the plan.
Eva Realizes Why Jess Is Holding Up the Ferry
On the ride back, Eva sees Jess on the railing, threatening to jump. The ferry is held in place while Eva tries to reach her. Eva asks Elise to look into Jess’s background, and the team discovers that Mitchell is her boyfriend. He’s been abusing her, and the apparent emergency is part of his plan: Jess is delaying the ferry while the crowd at the terminal grows.
Jess steps down only after she believes Lewis is gone. But he’s still aboard the ferry. He attacks Eva, who fights him off and detains him. Jess gets hold of the detonator. What matters in that moment is whether Jess trusts Eva enough to make a choice Mitchell hasn’t made for her. Eva tells her about the betrayal by someone she once trusted as both a romantic partner and a colleague. It’s a costly thing to share, especially for someone who has kept that part of her life so private. Jess listens and neutralizes the detonator, stopping the attack.
Young makes Jess’s hesitation feel consequential even after Mitchell is subdued. The fight gives Eva a problem she can handle as an agent; talking to Jess asks something much less familiar of her. It’s the scene that makes the episode’s two stories feel connected rather than simply similar.
FBI Season 9 Episode 6 Ending Explained: Does Eva’s Mother Leave Dennis?
No. Eva’s mother is still with Dennis at the end of “Ultimatum.” After the ferry crisis, Eva asks Maggie why she could reach Jess but couldn’t get through to her own mother. Maggie suggests that Jess trusted Eva was there for her. Eva goes back to her mother, admits she’s terrified of losing her and takes back what she said about being done. She asks her mother to keep calling. Her mother agrees and goes back inside.
In an interview with TV Insider, Martinez said she initially struggled with the ending. She explained that speaking with the Crime Victims Treatment Center helped her understand why Eva’s willingness to listen matters, even though her mother doesn’t leave. The performance bears that out: Eva goes back without a new argument or a better ultimatum. She goes back to make sure her mother knows the door is still open.
The bomb plot gets a clear resolution, and the episode could have given Eva the same relief at home. It’s more affecting that it doesn’t. Her mother’s agreement to keep calling is a small change, but after the way Eva left the first time, it’s one she can believe in.
Eva Keeps the Door Open
The ferry standoff gives Eva a chance to help Jess, but the quieter return to her mother is what makes “Ultimatum” linger.
The ferry case gives Eva a reason to rethink how she speaks to her mother.
Juliana Aidén Martinez in Eva’s two visits to her mother.
Maggie’s brief conversation with Eva gives the ending room to breathe.
The data center dispute is a compelling setup, but the episode moves on from it quickly.
Frequently Asked Questions
Why is Jess on the ferry railing?
She is stalling the ferry so the crowd at the terminal will grow as part of Lewis Mitchell’s plan.
Who stops the bomb in “Ultimatum”?
Eva subdues Mitchell and gets through to Jess, who disables the device with the detonator.
Does Eva’s mother leave Dennis?
No. She agrees to keep calling Eva, but she doesn’t leave Dennis during the episode.
Who plays Jess on FBI?
Evangeline Young plays Jess in “Ultimatum.”
Where to Watch FBI
“Ultimatum” premiered Monday, November 9, on CBS and streams on Paramount+. New episodes premiere Mondays at 8 p.m. ET/PT (7 p.m. CT) on CBS. Paramount+ Premium offers live CBS streaming through local affiliates; Essential offers next-day on-demand viewing.
Thomas Miller is the founder and Editor-in-Chief of Seat42F, covering television, movies and streaming entertainment. He launched Seat42F in 2007 and has spent nearly two decades covering the entertainment industry.
