NBC’s One Chicago universe ended its fall run with a triple punch of danger, heartbreak, and shocking twists. On Wednesday, November 12, Chicago Med, Chicago Fire, and Chicago P.D. each left fans on edge — setting the stage for major shakeups when the shows return in January 2026.

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Chicago Med: A Storm, a Stalker, and a Shocking Attack

Chicago Med started the night with emotional tension and ended with sheer terror. Dr. Caitlin Lenox (Sarah Ramos) found herself face-to-face with a nightmare from the past when former patient Devin Carter (Jack Falahee) reappeared — bruised, charming, and hiding a violent secret.

Caitlin suspected his injuries weren’t from a hockey match but from another domestic fight with his wife Faye (Olivia Nikkanen). When she couldn’t reach Faye by phone, Caitlin made the dangerous decision to drive to the woman’s home during a thunderstorm.

Inside, she found Faye bleeding in the basement — barely conscious. But before she could call for help, the front door slammed in the wind… and Devin appeared behind her, knocking her unconscious with a gun.

Now, with Dr. Lenox’s fate unknown, Chicago Med has left viewers asking: Will Caitlin survive long enough to save Faye — or will she become Devin’s next victim?

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Chicago Fire: A Blaze, a Breakup, and the End of Engine 51?

Over at Firehouse 51, change was in the air — and not the good kind. Kelly Severide (Taylor Kinney) returned to his fire investigation roots while Stella Kidd (Miranda Rae Mayo) was out of town helping their foster son. But just as Severide uncovered that a school fire had been an act of targeted arson, flames erupted at his own apartment — with both him and Tom Van Meter (Tim Hopper) trapped inside.

Meanwhile, Chief Dom Pascal (Dermot Mulroney) and Chief Annette Davis (Annabeth Gish) shared a long-awaited dinner date that ended in heartbreak. Annette revealed the department’s decision to permanently decommission several engines — including Engine 51, the heart of the series.

That means Randall “Mouch” McHolland (Christian Stolte), newly promoted and proud of it, could soon lose everything he’s worked for.

With Firehouse 51 facing closure and Severide’s life hanging by a thread, the Fire finale set up one of the show’s biggest cliffhangers in years.

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Chicago P.D.: A Haunting Case and a Lone Wolf Mission

In Chicago P.D., Sergeant Hank Voight (Jason Beghe) confronted demons from both his past and present. When disturbing photos of his childhood hospital stay surfaced — one marked “Your father the abuser” — Voight traced the taunt to Commander Mark Devlin (Joel Murray), who’s bent on revenge.

But that wasn’t the only threat. A brutal new murder mirrored the crimes of deceased serial killer Gary Bell, suggesting someone was continuing his legacy. Voight suspected Gary’s father, Raymond Bell (Barry Del Sherman), of torturing his own son and training him to kill.

With the investigation blocked by legal red tape, newcomer Detective Eva Imani (Arienne Mandi) took matters into her own hands. After receiving a desperate call from Raymond’s granddaughter Julie (Julianna Layne), Eva infiltrated the Bell home alone.

The last moments were pure nightmare fuel — Eva finding Julie’s phone and hearing footsteps behind her before the screen went black.

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One Chicago Returns in 2026 — With Lives on the Line

From Med’s chilling abduction to Fire’s inferno and P.D.’s shadowy hunt, the One Chicago fall finales have left fans counting the days until the shows return on Wednesday, January 7, 2026.

Who will survive the fire? Will Caitlin escape Devin’s grasp? And did Eva just walk straight into a killer’s trap?

In true One Chicago fashion, the answers promise heartbreak, heroism, and a whole new wave of danger.