Chicago P.D. season 13 adds a star of Netflix’s The Night Agent, bolstering the ranks of its main cast, as the procedural deals with big changes.

On Chicago PD Season 4 Episode 4, a concert shooting is part of a gang war while Atwater’s brother is part of the wrong crowd. Read on for our review.

An important cast member of Chicago PD has announced that she will be leaving the show before Season 13. A part of NBC’s Chicago franchise, Chicago PD debuted on the network on January 8, 2014.