FBI Season 9 Episode 6, titled “Ultimatum,” put Special Agent Eva Ramos at the heart of two life-or-death situations at the same time. A highly radioactive material was stolen from a medical disposal facility, and the race to find it before it was used in a mass-casualty attack became personal for Eva when a domestic violence crisis unfolded on the Staten Island Ferry. The episode aired on Monday, November 9, 2026, on CBS and is now streaming on Paramount+.
The hour opened with Eva heading to Staten Island after four hours of not being able to reach her mother. She found fresh bruises on her mother, who was living with an abusive boyfriend named Dennis. Eva begged her mother to leave, but her mother refused. Realizing that her mother was being emotionally manipulated and would not leave anytime soon, Eva made the difficult decision to return to Manhattan alone.
The Case: Cesium-137 and a Data Center Dispute
The team’s investigation began with the theft of radioactive material from a medical disposal facility. The stolen substance was identified as Cesium-137, and the group behind the theft was led by a high school teacher named Bruce Medina. Medina’s group demanded that the city halt a planned data center construction project in Staten Island, which they believed was a pollution center. The threat was to dump the radioactive material into the Central Park pond if their demands were not met.
The team tracked the theft through radio frequency microchips and a hacker who had programmed a keycard for the disposal company. Medina was eventually caught pouring an empty vessel into the pond, but the real danger was still hidden. His accomplice, Lewis Mitchell, had tampered with the container and kept the Cesium for himself. Lewis wanted a mass-casualty event that would send a louder message, and he was willing to spread the material into the air.
Eva’s Ferry Crisis: A Ledge, a Detonator, and a Familiar Pain
On her return ferry to Manhattan, Eva found herself in the middle of a fragile situation. A young woman named Jessica “Jess” Wells was threatening to jump from the railing of the Staten Island Ferry, forcing the boat to stop. Eva secretly photographed Jess and learned that there was a history of suspected domestic violence calls connected to her, a situation that hit close to home for Eva.
Eva slowly earned Jess’s trust and even opened up about a former partner who had betrayed her, saying the man “never hit me,” but that he “hurt me, betrayed me” and “lied” after she trusted him with her life. The breakthrough came when the team connected Jess to the radioactive material plot through video footage of her standing with Medina. Eva realized she was sitting on the ferry next to a piece of the case.
The biggest twist was that Medina was not the real danger. His accomplice, Lewis Mitchell, was Jess’s actual boyfriend. Lewis had betrayed Medina by tampering with the container, and he was pressuring Jess to help him carry out his plan. Jess’s threat to jump was never about ending her own life. It was a distraction designed to stall the ferry and leave a crowd stranded at the terminal, giving Lewis’s man the opportunity to spread the material.
Character Breakdown: How Each Agent Contributed to the Story
Eva Ramos (Juliana Aidén Martinez): The Heart of the Episode
Eva Ramos carried the emotional weight of “Ultimatum.” Her personal history with domestic violence and a betraying partner gave her the exact words she needed to connect with Jess and talk her down from the ledge. Actress Juliana Aidén Martinez said she was initially “really frustrated” when she read the episode, but came to see the ending as bittersweet. The final scene returned to Staten Island, where Eva apologized to her mother for coming on too strong. Her mother still was not ready to leave Dennis, but Eva promised to stay by her side and always answer her calls.
Maggie Bell (Missy Peregrym): The Steady Partner
Maggie Bell worked the radioactive material case alongside the rest of the team while Eva was trapped on the ferry. After the crisis ended, Eva told Maggie she was surprised her words had worked, since earlier attempts to reach people in similar situations had failed. Maggie suggested Jess listened because she could tell Eva meant every word. Maggie’s role in the episode was one of quiet support, and her comment gave Eva a moment of clarity after an emotionally draining day.
Omar Adom “OA” Zidan (Zeeko Zaki): Field Support on the Radioactive Hunt
OA was part of the field team tracking the stolen Cesium-137 and the group behind the threat. The investigation required the team to work quickly, as the material could have been used to create a dirty bomb. OA, along with Maggie and Scola, worked to locate Medina and his accomplices before the radioactive material could be released into the air.
Stuart Scola (John Boyd): A Personal Cliffhanger Looms
Stuart Scola contributed to the case, but the episode also left his personal future in question. The hour hinted at a major decision involving Nina Chase, who was offered the chance to run her own task force in San Diego. The episode did not resolve what this means for Scola, leaving a thread that will carry into future episodes.
Jubal Valentine (Jeremy Sisto) and Isobel Castille (Alana De La Garza): The Command Center
Jubal Valentine and Isobel Castille oversaw the operation from the office, coordinating the search for the radioactive material and the response to the ferry crisis. Their roles were essential in keeping the two connected investigations moving while one of their agents was caught in the middle of a hostage situation.
The Ending: A Bittersweet Victory
The climax came when Jess was holding the detonator while Lewis pressured her to follow through with the plan. Eva persuaded her to let go and stop the countdown. Lewis and Jess were arrested, and Jess was likely to receive a lesser punishment for her cooperation.
The victory was not a clean one. Eva’s mother was still not ready to leave Dennis, and Eva had to accept that she could not force her mother to make a different choice. The episode ended with Eva promising to remain by her mother’s side, a choice that reflects the difficult reality of domestic violence situations where leaving is not a simple decision.
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The hour also showed that the two halves of the story—the case and the family drama—were deeply connected. Eva’s own experience with a betraying partner was what helped her connect with Jess, making the case and the personal story two sides of the same coin.
Also Read: FBI Season 9 Episode 5 Recap: Scola’s Life-Changing Choice and the Bank Heist That Slipped Away
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