Emily Shaffer

An investigation hits a nerve with Benson (Mariska Hargitay) when a suspect claims his genetics causes him to commit rape.

Danny and Jamie clash over a gang-related shooting after Jamie oversteps as part of his new position and Danny empathizes too closely with a victim.

It's all hands on deck when Firehouse 51 races to the scene of a deadly chemical leak inside an industrial building. With squad and truck tested like never before, scores of workers are rescued but many are experiencing respiratory distress. This prompts truck 81, squad 3 and ambulance 61 to spring into action to transport the victims to nearby Chicago Med. The situation takes a turn from bad to worse in the midst of the chaos when a "patient" planted inside the hospital goes on a suicide mission armed with a grenade and claiming to be the carrier of a deadly airborne disease. Trying to stop the madman from engaging the explosive device, a member of the firehouse team is severely wounded in the blast and left to face life-threatening injuries. With no other choice, Chicago Med is forced into lockdown until doctors and the Hazmat team can determine the severity of the airborne virus.

After a petty officer is found murdered under a shrimping boat, the NCIS investigation uncovers a conspiracy in the tight-knit local fishing community. Also, Lasalle awaits the final results of the tax fraud investigation into his family's company.