Kirby and Dan look to the past, uncovering multiple cold cases with puzzling similarities. Harper takes a dangerous new interest in Dan.

As pressure mounts to go to print, Dan explores possible connections between the murder victims. Kirby tries to make sense of a piece of evidence.

Kirby Mazrachi suspects her attacker from years earlier may be responsible for a recent murder, but she’s challenged by her shifting reality.

Carter seeks psychiatric help because he can’t sleep. He then visits the wife of his attacker. Weaver returns to work after her suspension. Hathaway and Kovac share a kiss.

The ER is flooded with foster care home residents, attacked by a shooter bent on tracking down his son, who , with the help of Dr. Green, was put into…