|Season 7, Episode 03|
|Airdate||October 9, 2019|
|Written by||Timothy J. Sexton|
|Directed by||Eriq La Salle|
Infection, Part 3
After a botched carjacking turns out to be something much bigger, Voight's unit goes toe-to-toe with a smart drug kingpin who only works with women. New recruit Vanessa Rojas struggles with the transition from undercover to Intelligence, but the new case gives her a chance to play to her strengths
- Jason Beghe as Sergeant Hank Voight
- Jesse Lee Soffer as Detective Jay Halstead
- Tracy Spiridakos as Detective Hailey Upton
- Patrick John Flueger as Officer Adam Ruzek
- Marina Squerciati as Officer Kim Burgess
- LaRoyce Hawkins as Officer Kevin Atwater
- Amy Morton as Desk Sergeant Trudy Platt
- Vanessa joins Intelligence and is partnered with Kevin.
- Vanessa moves in with Hailey.