This article contains spoilers for Furious.

After eight episodes of cat-and-mouse between FBI agent Alice Black (Emmy Rossum) and Catherine (Lola Petticrew), Furious has finally revealed the truth behind Isabel’s death — while completely changing the direction of Alice’s story.

The thriller, which premiered on Hulu and Hulu on Disney+ on July 27, follows Alice as she investigates Catherine, a serial killer targeting powerful men connected to her traumatic past.

But as the season progressed, the case became increasingly personal, particularly after Alice discovered that Jay Easton (Peter McRobbie) and his associates were connected to a disturbing video recorded when she was just 14.

The Season 1 finale, released on August 31, brings Catherine’s revenge story to a close. However, Alice’s journey is only beginning.

Who killed Isabel in Furious?

For much of the season, Catherine believed Jay Easton was responsible for Isabel’s death. Isabel had been Catherine’s closest friend and was also a victim of the abuse taking place at Jay’s estate. Her death became the central mystery behind Catherine’s campaign of revenge, but her own traumatic memories prevented her from remembering exactly what happened that night.

The finale finally fills in those missing pieces.

Catherine arrives at the Easton estate and confronts Jay’s daughter, Emma (Hope Davis), who had spent years helping her father conceal his crimes. Emma initially tries to defend herself by arguing that she was also trapped in Jay’s world, but Catherine refuses to accept her excuses. The confrontation eventually leads Catherine back into the room where Isabel was abused. There, fragments of her memory begin to return.

Isabel had recently given birth and was experiencing severe pain after being abused. She begged Catherine to help her. Catherine had previously remembered Isabel dying, but not the crucial part of what happened immediately before her death.

The truth is that Catherine was the one who ultimately ended Isabel’s life. Isabel asked Catherine to help her because she did not want to continue suffering. Catherine complied, believing she was saving her friend from further pain.

It is a devastating revelation because Catherine’s entire pursuit of Jay had been built partly around finding justice for Isabel. She had convinced herself that Jay was responsible for the death, only to discover that her own actions had been part of Isabel’s final moments.

Once Catherine remembers the truth, she drops her weapon. Alice is able to reach her and prevent the confrontation from becoming even more violent. Catherine is subsequently arrested.

What happens to Jay Easton?

Jay’s fate is another major twist in the finale. While the authorities search the Easton property, Alice finds Jay in his bedroom. He recognises her and makes an unsettling reference to the illegal video recorded when she was 14.

Jay’s condition suddenly deteriorates, and Alice calls for medical assistance. From the initial version of events, it appears that Jay simply died from respiratory failure. But the finale later reveals what really happened.

Alice deliberately interfered with Jay’s breathing equipment before physically causing his death, all while behaving as though she was desperately trying to get help. In other words, Alice killed Jay.

The significance of this becomes even clearer after her conversation with Catherine. Earlier, Catherine had described the sense of power she experienced when taking someone’s life after spending so much of her own life powerless. Alice appears to have crossed that same line.

She has spent the season pursuing Catherine because she believed in justice and the law. Yet when faced with Jay — a man connected to the abuse she suffered as a teenager — Alice ultimately chose to deliver her own form of justice.

What happens to the video of Alice?

The video becomes one of the most important pieces of evidence in the entire season.

Danny (Scoot McNairy) has possession of the flash drive containing evidence against Jay and his network, including the recording involving Alice. Alice initially does not want the video exposed, understandably fearing what it would mean to have something so traumatic from her past become part of an investigation.

Eventually, however, she gives the flash drive to Nora (Quincy Tyler Bernstine). The decision allows Nora to potentially use the evidence against Ed (Danny McCarthy), whose corruption helped Jay’s crimes remain hidden for years. But Nora also encourages Alice to confront the video herself.

Rather than continuing to avoid what happened, Alice watches the recording through the FBI’s evidence system. It is an extremely difficult moment, but it represents a major change in how she relates to her past.

Does Alice become like Catherine?

This is arguably the biggest question raised by the finale. After watching the video, Alice searches the FBI database to discover who has accessed or downloaded the file. The number is enormous. More than 50,000 people have downloaded the video.

Instead of reacting solely with horror, Alice appears to see the list differently. These aren’t just anonymous people who accessed something deeply violating from her past. To Alice, they could become targets.

The final moments strongly suggest that Alice is beginning to adopt Catherine’s philosophy of revenge. That’s what makes the ending so significant. Catherine spent the season hunting people she believed deserved punishment, while Alice spent the same time trying to bring Catherine to justice. Now their positions are beginning to overlap.

Alice remains an FBI agent, but she has also experienced the power Catherine described when she talked about taking control after years of feeling powerless. Her decision to kill Jay proves that she is already capable of crossing the line she spent the season enforcing.

What happens to Alice and Danny?

The finale also gives Alice and Danny a quieter ending after the chaos of the Easton case. The two finally get their long-discussed escape to the beach, where they share a romantic moment and begin to explore what their relationship could become.

However, their future is far from simple. Danny knows more about Alice’s trauma now, and he also understands that she is keeping secrets. Their relationship has changed because the events of the season have changed Alice herself.

Still, Danny ultimately gives Alice the flash drive, leaving the decision about what to do with the evidence in her hands. It’s a fitting gesture for a finale about control: Alice spent much of the season trying to regain control over a past that was taken away from her, and now she has the evidence that could determine what happens next.