Lorena Diaz

A huge drugs bust operation endangers Olinsky's family. Meanwhile, the team makes some connections between the drugs suspects, and Burgess and Roman are paired up with a K-9 officer who happens to be Roman's ex-girlfriend.

Rhodes and Zanetti race to save a member of Firehouse 51, April's brother struggles during his first day at the hospital, and a woman saved from a burning building leads to a bigger mystery.

Dr Choi treats a teenage mother who abandoned her newborn baby in an alley. The nurses surprise Dr Manning with a baby shower.

Dr Rhodes begins his cardiothoracic surgery fellowship, but gets off on the wrong foot with his new boss, Dr Latham. Meanwhile, Dr Choi begins his life as chief resident, and Sarah is caught off-guard by Dr Charles.

The intelligence unit joins forces with detectives Rollins, Amaro and Benson to bring down a child pornography ring once and for all.

In the aftermath of Halstead's apartment fire, Marcel, Choi and Archer work together to try to save the survivors; Charles and Med's new fellow, Cuevas, help a paranoid patient; Scott makes a life-changing decision.