Risk (S04E09)

Ben gets into a precarious situation while trying to assist the daughter of a sex worker, drawing the ire of the woman’s pimp. Meanwhile, Lydia and Ruben delve into the murder of a gang member, which might be linked to a graffiti dispute. Tang finds herself under increased scrutiny regarding her accidental shooting of an innocent bystander, a matter that could influence her chances of being promoted to sergeant.