Michael Gambino

Victoria's vulnerabilities are exposed when feelings of guilt and a fight with her daughter become too much to bear; a vindictive Lydia returns; now aware that he has been betrayed, Daniel decides to make a major change.

Iraq veteran Walter Sherman helps a teenage boy locate his missing father, a military pilot who vanished while on a mission; Leo and Walter keep a watchful eye on a teen parolee.

Burgess fights for her life as the team scrambles to find her kidnapper; Dep. Supt. Sam Miller is desperate to find her son's killer; Voight and Upton deal with the aftermath of their decision; Ruzek struggles with the pressure of the situation.