As vitality expires, two old friends are led through unique journeys of retrospection.

Grief and peril dominate Gino. The discovery of a tragedy becomes a revelation for Adam.

Detective Pryma asks for Severide's help on a case involving explosives. Gallo and Carver clash after Gallo improvises on a call. Violet encourages Brett to start dating again.

The painful aftermath of the hit-and-run brings up bad memories for Jen as Judy receives shocking news about Steve. Ben pieces his memory back together.

As Jen works up the nerve to tell Judy what the doctor found, Charlie demands answers, Ben's guilt eats away at him, and the cops turn up with questions.

While awaiting the test results, Jen and Judy learn more about the investigation into Steve's death, and a little bird prompts Nick to approach Ben.

A funeral sets the tone for a day that has Judy receiving bad news and reconnecting with a former friend, while Jen attempts to comfort a despondent Ben.

Jen deals with plumbing problems and an impromptu party. Judy keeps a life-changing decision to herself. Ben falls headlong into a grief spiral.

Jen mobilizes to support Judy, drawing on everything she learned from her mother. Nick's tenacity over a piece of evidence raises concerns for Perez.

Reeling from the doctor's visit, a poncho-clad Jen wrestles with how to tell Judy. Ben looks to make amends by coming clean, and Nick confronts Perez.

Jen juggles selling the house next door with anxiety over the FBI investigation as Judy tries to live in denial for a little while longer.

Judy may be ready to face the future, but her BFF isn't. Hot on the heels of a tearful admission, Jen scrambles to secure a Hail Mary option.

On an escape to Mexico, Jen and Judy face the past and make decisions about the future as they forever cement their ride-or-die friendship.

As Courtney, Sylvester and the JSA plot to take down a major threat, the arrival of someone from their past sends shock waves through the town.