Jon Ecker

It’s December 31st, which means, it’s party time! The gang attends two New Year’s Eve parties: an early one at the family home where they take part in all of…

A mysterious caller who is in danger relies on Kidd to help save her and her brother. The firehouse helps Cruz get ready for fatherhood.

While Mouch makes an incredible save, all eyes are on a mystery man who helped save his neighbor. Casey worries about his future at the CFD.

A new recruit with ties to the CFD tests Serveride’s patience. Violet receives a mysterious note that sends her and Brett on a hunt for the person who wrote it.

A call to a familiar location brings back mixed emotions for Severide. Herrmann heads out for a vacation. Casey is not thrilled with his replacement.

A fire at a homeless encampment leaves Severide and Casey searching for answers. Cruz is shaken up after a close call. Ritter lends a helping hand to a victim.

The BFFs catch the attention of a school bully. Kate attempts to move on. Tully faces choices that could change her life personally and professionally.

Vows are made and hearts broken as Kate navigates her long-strained relationship with her brother, and Tully grapples with compromise and commitment.

Sneaking out to a school dance, breaking a news story and enjoying a hip-shaking night on the town, Tully and Kate whirl through life together.

A traumatic assault. A hidden romance. A signed consent form. Secrets both shared and unspoken test Kate and Tully’s friendship over the years.

Tully’s mom disappoints her again and again, and Kate’s boozy night with her best friend and their coworkers causes awkwardness, accusations and hurt.

Tully’s lie threatens the pair’s friendship. Kate feels stressed over huge life changes. A treasured gift leads to a gut-wrenching goodbye.

After one of Tully’s birthdays ends in disaster, Kate becomes devoted to making her friend’s big day special, even if her efforts don’t always succeed.

Kate experiences the force of nature that is Tully when they meet as teens, at their first journalism jobs in 1982 and over a PTA crush in 2003.

Over holidays past and present, relationships shift — and truths are spoken — as Tully and Kate reshape their expectations for what the future holds.

While completing a task assigned by headquarters, Boden makes an unforeseen connection. Gallo is forced to make a surprise rescue to one of their own when the firehouse is called…

Chilean drug chemist Cockroach brings his product to Colombian smuggler Pablo Escobar. DEA agent Steve Murphy joins the war on drugs in Bogota.