Eric C. Lynch

Goodwin struggles with the psychological aftermath of her attack; Ripley treats a patient with helicopter parents; an ED staffer makes a mistake that may cost them their job.

With Special Agent Alden Parker still on the run with his ex-wife, the team investigate who from his past might have a personal vendetta against him in hopes of clearing Parker's name.

Tennant's team, along with NCIS agents Nick Torres and Jessica Knight, track The Raven's whereabouts to the island of Oahu and learn about his plans to attack the world's largest international maritime warfare exercise.

Dr Choi is affected by the outcome of gang violence; Dr Halstead is encouraged by a patient's cheery disposition; Dr Manning and Rhodes think that two cases of illness could be connected.

The Intelligence Unit discover a drug smuggling operation when a balloon filled with cocaine bursts inside a student drug mule; tensions rise between Olinsky and Ruzek.

Severide attempts to prove his suspicions about the arsonist's identity, Casey adapts to his new lifestyle, and Dawson goes on a date with a regular from the bar.