In the Chicago P.D. Season 7 episode "Assets," Officer Kevin Atwater goes undercover to infiltrate a drug ring while Sergeant Hank Voight uses the investigation to secure Adam Ruzek's release from legal trouble. The episode also introduces Vanessa Rojas, who begins her transition into the Intelligence Unit. Read the full recap at One Chicago Center . Chicago PD Season 7 Episode 2 Review: Assets - TV Fanatic