As Kirby’s reality spirals, she sets her sights on finally tracking down Harper.

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

After new evidence supports Kirby’s theory, reporter Dan Velazquez weighs using her as a source. Kirby takes a closer look at the victim.

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.

Dan’s article gains traction across the city. After a harrowing encounter, Kirby’s grasp of reality comes into question.

Three very different Chicago families journey toward hope and healing after a tragedy causes them all to consider how race and racial biases affect their lives.

The team deals with the aftermath of a school bus crash. Dr. Charles worries Dr. Halstead is putting his medical license in jeopardy. Maggie helps a friend in need.

Dr. Manning and Dr. Rhodes separately treat complicated cases involving sick babies, only to uncover that the two cases could actually be intertwined. Elsewhere, Dr. Halstead and Dr. Charles treat…