Ep 5. Thirty Balloons

Thirty Balloons is the fifth episode of the first season of the crime drama Chicago PD. The episode begins with Intelligence Unit detectives Voight, Halstead, Lindsay, and Dawson investigating a series of drug overdoses caused by a potent new strain of heroin. The detectives soon learn that the source of the drugs is a group of street vendors selling balloons filled with the drug to users.

As the detectives work to track down the source of the drug, they deal with a number of challenges. Voight receives pressure from his superiors to solve the case quickly to avoid a public relations disaster, while Halstead grapples with the morality of lying to a suspect's sister to gain information. Meanwhile, Lindsay must confront her relationship with her ex-boyfriend, who she suspects may be involved in the drug trade.

Throughout the episode, the detectives struggle to balance their desire to bring the perpetrators to justice with the limitations of the law and the demands of their jobs. As the investigation heats up, the stakes grow higher, and the detectives must use all of their intelligence and determination to crack the case and put an end to the cycle of addiction and violence caused by the new drug.

With its intense pacing, complex characters, and gripping plot twists, Thirty Balloons is a standout episode of Chicago PD that showcases the series' unique blend of action and drama. As the detectives grapple with the difficult realities of life on the streets of Chicago, viewers are drawn into a world of intrigue, danger, and moral ambiguity, where nothing is ever as simple as it seems.