Foul Is Fair
After learning unsettling news, Dawson enlists Severide to help her out. Elsewhere, Casey and Dawson struggle with communication issues while Brett and Kidd compete to win the heart of Zach, a Hazmat officer. Meanwhile, Otis, Herrmann and Mouch are on a mission to locate the source of a horrible stench that is making life unpleasant at Firehouse 51.
Fog Friends Auction Goose
When Jen sings in Tyler’s band, she gets caught up in the excitement and creates an awkward situation for him. Also, John and Greg decide to brew beer together, Matt donates one of his paintings to a silent auction for Tim’s medical charity, and Heather becomes jealous of Joan’s friendship with a classmate.
The Fast Track
Carol is disappointed that her new job offers less responsibility than she had hoped it would offer; despite orders from Greg, Katie is determined to bring down Fenton Pelt.
Grace tries to prevent Will from making a scene at his ex-boyfriend’s wedding; Jack’s wedding hook-up comes with strings attached.
The fallout from Rowan’s from Rowan’s desperate action affects Quinn’s loved ones, including a guilt-ridden Olivia.
The designers pair up to create fashion inspired by food and wine pairings; Whoopi Goldberg joins the judges for All Stars’ first-ever double elimination.
Jump Then Fall
A country legend tries to resurrect her career, while battling a younger singer for the spotlight.
Sex Fog and a Mild-to-Moderate Panic Attack
After Bonnie and Adam attend a traditional wedding, they discover they’re not on the same page about their own wedding. Also, Christy and Patrick have trouble setting the mood for their “first time”.