Top 5 Character Pairings in the 2025 One Chicago Crossover Event

This article contains spoilers for the One Chicago crossover, “In The Trenches.”

This recent One Chicago crossover brought together all three units to tackle a catastrophic gas explosion in a government facility, resulting in one of the franchise’s most gripping episodes. The three-hour special saw characters from “Chicago Fire, ””Chicago Med, ”and “Chicago P. D.”unite to navigate this crisis, facing high-stakes challenges that tested their abilities and relationships. The event highlighted critical moments where various characters grappled with life-and-death dilemmas while investigating the cause of the explosion.

Marking a five-year hiatus since the previous crossover event, “Infection, ”which dealt with a bacterial outbreak in Chicago, “In The Trenches”distinguishes itself by featuring newer characters such as Chief Pascal, played by Dermot Mulroney, and Dr. Caitlin Lenox, while notably excluding established figures like the Halstead brothers and Chief Boden. This allowed fresh dynamics to emerge as the teams tackled the emergency, showcasing a range of skills from firefighters to doctors and police officers.

5 Violet Mikami & John Frost

An Unexpected Pairing That Surprisingly Works Well

Violet Mikami and John Frost in One Chicago Crossover

Though their time on screen was limited, the collaboration between paramedic Violet Mikami and Dr. John Frost emerged as a notable pairing during the crossover. Initially skeptical about needing a doctor’s assistance, Violet’s reservations vanished when they both arrived at the explosion scene, where their shared mission was to focus on saving lives.

One Chicago Character	One Chicago Actor
Violet Mikami	Hanako Greensmith
John Frost	Darren Barnet
Hank Voight	Jason Beghe
Dom Pascal	Dermot Mulroney
Kim Burgess	Marina Squerciati
Caitlin Lenox	Sarah Ramos
Mouch McHolland	Christian Stolte
Trudy Platt	Amy Morton
Stella Kidd	Miranda Rae May
Adam Ruzek	Patrick Flueger

During their response to numerous injuries, paramedic Violet faced criticism from security officer Lauren Bates over the prioritization of cases. In a stand-out moment, Frost came to Violet’s defense, emphasizing her competence in managing the situation effectively while treating victims based on their medical needs.

4 Hank Voight & Dom Pascal

Two Of Chicago’s Strongest Leaders Finally Work Together

Chief Dom Pascal and Hank Voight in One Chicago Crossover

Sergeant Hank Voight and Chief Dom Pascal stand out as formidable leaders within the franchise. Their strong personalities and leadership styles are crucial, as they remain focused on ensuring everyone’s survival during the crisis. Moreover, their interactions reflect vulnerability, particularly when they discover that Stella and Ruzek are trapped in a train amidst debris and lack of oxygen during the crossover.

The commanders engage in earnest discussions regarding rescue strategies, providing an insightful glimpse into their tactical teamwork. Comic relief surfaces through the reference to Al Capone, who once used the same tunnel into which passengers are now confined. Their handshake at the end of the event symbolizes their mutual respect, potentially paving the way for a future collaboration between the two leaders.

3 Kim Burgess & Caitlin Lenox

This Pairing Matches Up Well Even After Their Disagreement

Caitlin Lenox and Kim Burgess in One Chicago Crossover

The dramatic confrontation between Detective Kim Burgess and Dr. Caitlin Lenox highlighted the moral dilemmas faced in emergency response. When Burgess and Voight pushed for information from a severely burned woman suspected of linking to the gas explosion, they were met with Lenox’s firm refusal, igniting frustration among the police team eager for answers to aid Ruzek and Stella.

This exchange underscores both characters’ commitment to their roles, as Lenox insists on prioritizing her patient’s health, while Burgess expresses her desperation by threatening Lenox’s job security. Ultimately, their shared humanity comes through when Lenox offers crucial information about the burned woman’s condition, eliciting Burgess’s gratitude for her assistance.

2 Mouch McHolland & Trudy Platt

The Couple’s Vulnerability Is Revealed Now More Than Ever

Trudy and Mouch in One Chicago crossover

One of the most poignant sequences in the crossover involves Trudy’s harrowing experience. When Trudy confronts a suspect from the gas explosion, she suffers a gunshot wound to the back, prompting Mouch to rush to her side to provide comfort. While the couple is typically known for their wit and banter, the crossover required them to navigate deeper emotional challenges.

Initially, tensions arose between them after Mouch forgot Trudy’s birthday. However, as she undergoes risky medical treatment, Mouch’s frustration with the medical team and fear of losing her is palpable. The crossover exposes a vulnerable side of their relationship, showcasing how adversity solidifies rather than simmers down their bond. Trudy’s survival is set to give Mouch renewed motivation in his role as lieutenant.

1 Stella Kidd & Adam Ruzek

An Effective Pairing That Works During A Rough Situation

The dynamic between firefighter Stella Kidd and Detective Adam Ruzek is pivotal during this crossover event. Both characters find themselves in peril after being trapped in a train, debris blocking their escape as a result of the explosion. Their ability to coordinate efforts to assist the passengers exemplifies their teamwork.

Stella and Ruzek’s relationship is put to the test under dire circumstances, as they work tirelessly to help a young man struggling to breathe and manage communications with colleagues. The stakes are heightened for both, given their existing relationships—Stella’s with Kelly Severide and Ruzek’s impending marriage to Kim Burgess—adding emotional weight to their survival efforts.

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The One Chicago franchise airs on Wednesdays starting at 8 PM on NBC.

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