Lenne Klingaman

The team welcomes a new member as they begin their hunt for a repeat offender and the child he kidnapped after murdering the boy's single mother; Jess tries to move past the awkward exchange he had with Sarah during their last encounter.

Dr Halstead's father gets admitted to the hospital against his wishes. Dr Charles steps in when his daughter's odd behaviour increases. Dr Manning feels the effects of being a working mother.

The granddaughter of a 1962 suicide victim provides evidence to the team that the suicide note was not written in her grandmother's handwriting.