The team discover that a murder-arson victim was wearing a CPD issued wire at the time of his death; Burgess encounters her new partner; Crowley asks Lindsay about the night Intelligence chased Justin's killer.
Having survived a car bomb attack that nearly killed him and his family, Hank uses any means necessary to get his hands on the man he holds responsible, a drug dealer recently released from prison.
A member of the team is taken hostage by a father who demands Intelligence locates his daughter, who he suspects has been kidnapped.
The team find the body of a widowed, single mother in the trunk of her car, and struggle to believe it when the victim is revealed to have been in contact with Voight's reformed son.
When the team discover a cold and unmoving newborn baby stuffed in a duffel bag on a lakefront in Chicago, Chicago Med is able to provide vital information that helps the team narrow in on a suspect.