[s7e3]: Familia

: This episode serves as the formal transition for new recruit Vanessa Rojas (played by Lisseth Chavez) from undercover work to the Intelligence Unit. She struggles with the transition, initially making mistakes like failing to call for backup during a pursuit, which leads to a suspect's gruesome death on rebar.

Rojas uses her undercover expertise to set up a sting, posing as "Maria," a mule whose boyfriend supposedly beat her for a failed deal. The operation nearly falls apart when , a loyal associate of Alexa, intervenes. Intelligence eventually convinces Karla of Alexa's betrayals, leading her to wear a wire. During the final confrontation, Alexa takes Karla hostage at knifepoint. Although Voight talks her down, a vengeful Karla seizes the knife and stabs Alexa in the heart as she is being arrested. "Chicago P.D." Familia (TV Episode 2019)

The write-up for Season 7, Episode 3, titled " Familia ," focuses on the introduction of a new recruit and a high-stakes investigation into a sophisticated drug operation. Plot Overview

: To better integrate Rojas, Voight breaks up the established "Upstead" partnership, assigning Hailey Upton to mentor Vanessa. Climax and Resolution