Episode 4×13: I Remember Her Now

Airing: 02/08/2017 (10:00PM – 11:00PM) only on NBC

The body of a 15-year-old girl is found crushed in an abandoned building after she runs away from a treatment center for troubled girls. Voight sends Halstead undercover as a guard to work from the inside at the center, where he believes the girls are trading sexual favors for something in return.

NBC