Michael Cognata

After responding to a car accident, Casey (Jesse Spencer) and Dawson (Monica Raymund) become skeptical when a domineering husband continues to answer for his injured wife. Cruz (Joe Minoso) becomes frustrated with Herrmann (David Eigenberg) and Mouch (Christian Stolte) when he discovers they have contacted people regarding his "Slamigan" invention without his knowledge. Kidd (Miranda Rae Mayo) uncovers something meaningful and important to Severide (Taylor Kinney) while Brett (Kara Killmer) discovers some potentially unsettling news.

After saving a young girl, Dawson (Monica Raymund) is forced to make a tough decision when she finds out the girl's father is addicted to painkillers. Herrmann (David Eigenberg) loses his cool and gets into an altercation with a police officer after responding to a call. Otis (Yuri Sardarov) and Cruz (Joe Minoso) are on a mission to find out who Brett (Kara Killmer) is dating. Meanwhile, Boden (Eamonn Walker) is skeptical when Donna's (guest star Melissa Ponzio) brother Julian (guest star Michael Cognata) unexpectedly comes to town.

Heather freaks out when Samantha auditions for the high school musical and the director, Julius Black, doesn’t give her a part. Also, Matt, Greg and Heather suspect Joan is having an affair; Tyler and Clementine decide to find a home of their own; and, Jen, Colleen and Tim secretly play “Short Family Bingo” to pass the time during the weekly Sunday brunch.

CJ has a plan to capture Maya's stalker. Elsewhere, Ezra and Sevvy follow a tip to Vegas and uncover Jessica's secret trip to a gun range.