Sophia Bush | Chicago P.D. | Season 2

"Call It Macaroni"

Voight is questioned about Jin's murder, and Internal Affairs tries to focus blame on him. The Intelligence Unit is not supposed to look into the case, but do so anyway. It is revealed later that Jin himself was working with Internal Affairs, and that may be what got him killed. Meanwhile, a routine undercover operation becomes anything but when the armored truck Intelligence was tailing is robbed and a piece of evidence in a murder case is stolen, which leads to Olinsky facing off with a face from his past, and Burgess meets her new partner, recently transferred Sean Roman, only for tensions to rise between them.

"Get My Cigarettes"

A series of gruesome murders by a shotgun killer gets personal for Voight, because one of the victims was a close friend of his.

"The Weigh Station"

Following a shooting at a bar targeting Halstead, he is placed under protective custody, which he is not pleased about. Imprisoned Polish mobster Oskar Bembenek, who holds a grudge against Halstead for killing his brother, is the prime suspect. As the bodies pile up, Voight and the rest of the Intelligence Unit race against time to find out who else is on Bembenek's hit list and take the assassins down. Meanwhile, Lindsay's mother is getting married, and wants to be a part of her life again, which she refuses.

"Chicken, Dynamite, Chainsaw"

An alderman's daughter and her friend are kidnapped for ransom. Platt gets Roman and Burgess to host a gun return fair but end up receiving a gun that might have been used in an unsolved homicide. It is revealed that Dawson's marriage might be in jeopardy and has an effect on his family when his daughter visits.

"An Honest Woman"

The Intelligence unit investigates a suspicious case when Voight and his son's pregnant girlfriend Olive are attacked and kidnapped at gunpoint. The gunmen take everything that Voight kept in his secret safe. Meanwhile, Burgess and Roman try to find a person that stole a police badge. Elsewhere, Dawson goes undercover to take down a criminal.

"Prison Ball"

Ruzek and Atwater go undercover as prison inmates to work the case of a ten-year-old girl's murder, while Voight and Olinsky follow up on a lead about the shooting. Burgess and Roman show three boys around the district thinking they are part of the Police Explorers program, only to realize that's not quite the case.

"They'll Have to Go Through Me"

The intelligence unit is joined by SVU detectives Benson, Rollins and Amaro to solve the case of a pedophile ring.

"Assignment of the Year"

Dawson's after hours private security job takes a bad turn when the man he was protecting is killed, which could also cost him his job as the client turns out to be a diamond smuggler. Voight and the rest of the Intelligence Unit go to great lengths to solve the crime and save him. They catch the killer, but not the victim's wife who devised the plan. To save Dawson's badge, Voight and Olinsky resort to falsify the documents of an investigation into the victim.

"Called in Dead"

When Nadia's friend almost overdoses at Lindsay's home, Lindsay learns that she took heroin created in a lab at a strip club. The Intelligence Unit conducts an unsanctioned drug bust, and get a couple of arrests. But when the criminal bosses kidnap Olinsky's wife to get the drug back, Olinsky and Voight take care of the problem in their own way, and they realize the criminals have inside information. They follow the thread to a judge's corrupt secretary. Meanwhile, Lindsay continues to consider leaving the Intelligence Unit. Burgess has to cope with Roman's ex-partner and girlfriend Jenn Cassidy (Spencer Grammer) who is now a K-9 officer. Later, while Roman and Cassidy are arguing, Burgess gets shot while investigating a house call.

"Shouldn't Have Been Alone"

The Intelligence Unit investigates a house with rigged traps and learn of a connection to a professor's sphere and a mentally ill student of his. They investigate several places rigged with traps and learn of a darker motive of the student. Elsewhere, Burgess recovers with Platt and Ruzek at her side.

"We Don't Work Together Anymore"

Burgess is released from the hospital and assigned to desk duty to take it easy, so Platt partners up with Roman. The Intelligence unit teams up with Lindsay's task force on a kidnapping case. Also, Lindsay starts to have doubts about keeping her new job.

"Disco Bob"

The Intelligence unit investigates a double murder that affects part of a past for Voight while Halstead continues to develop feelings for Lindsay and Burgess has her first day back at work.

"A Little Devil Complex"

The Intelligence Unit investigates Adrian Gish, the arsonist indirectly responsible for killing CFD paramedic and Antonio's sister Gabriela Dawson's friend, Leslie Shay. During the investigation they discover he has been using various aliases that allude to those he killed, including the names of the real Adrian Gish and of a firefighter who was killed in the same incident as Peter Mills' father. They eventually find his real name, Trenton Lamont, and as a boy he was the only survivor of a fire that killed his entire family when he was 7 years old. After a failed stakeout, they search Lamont's home in which they find numerous photos of Gaby and realize he's now targeting her. Lamont lures her into a building where he traps her in an elevator and pours gasoline inside, intending to burn her and himself alive. Gaby is able to stall Lamont long enough for Antonio to rescue her and shoot him dead. Meanwhile at the precinct, Sergeant Platt acts exceedingly nice to all the officers prompting Burgess and Roman to become suspicious. When confronted about it, she tells them she is being investigated by the city after a complaint said she lacked people skills. When it's later revealed that it was a front for a reporter doing a story on her, the lie angers Burgess and she walks away.

"Erin's Mom"

The Intelligence Unit investigates a homicide, but it is revealed that this case has something to do with Lindsay's mother and her husband. Later, Voight and the unit catch the suspect and put him custody. Soon after, the suspect kills an inmate and escapes and has an effect on Trudy. Lindsay questions her mother on this case. Later on, it is revealed that Lindsay's mother is trying to get back on her feet by borrowing money from a loan shark so Voight helps her out with the provision that she not see Lindsay again. After this, Lindsay calls Voight to thank him for what he did. Elsewhere, Dawson strikes up a new relationship post divorce.

"What Do You Do"

While on patrol, Burgess and Roman come across a smuggling ring, but are later caught and held hostage. Meanwhile, on a slow day in the Intelligence Unit, they finally get their taser certification. With no communication on the outside, Burgess and Roman almost escape. The smuggler manages to catch Roman, but Burgess attacks and kills their kidnapper. As more smugglers arrive, the Intelligence Unit finally track down their whereabouts and rescue Burgess and Roman.

"What Puts You On That Ledge"

Chicago Internal Affairs enlists Dawson to go deep undercover to bust criminals that might have something to do with the disappearance of a Chicago Police officer. Later on, Dawson discovers that one of his old friends is a part of it. Meanwhile, Roman and Burgess answer a fake burglary report that later turns into a homicide case. Jay gets an old friend a job as the IT guy.

"Say Her Real Name"

The death of a protester at a world trade event seems to point to an Argentine official. In other events, Halstead's brother arrives in town; and is soon stirring up trouble.

"Get Back to Even"

The investigation into a drug robbery gone wrong uncovers Voight's link to a missing teen; the real reason for Halstead's brother's visit becomes clear; and Platt cares for a young girl at the district.

"The Three Gs"

The deaths of several teen girls in a Chinatown factory leads to a search for a human trafficker who eluded Olinsky once before. In other events, Sean has an altercation with a fellow officer; and Platt helps Nadia prepare for a polygraph test.

"The Number of Rats"

Benson has come to Chicago to help Voight and Intelligence with a rape/murder case that is frighteningly similar to a case from New York a decade ago. She calls in Fin and Amaro to assist.

"There's My Girl"

The investigation into the bombing of a trendy café hinges on a minor, who witnessed it; and a major blunder lands Atwater in hot water. In other events, Voight helps Platt in her attempt to get a memorial stone for the team's fallen member Nadia.

"Push the Pain Away"

A mass shooting at an athletic club is investigated; and Atwater, who's dealing with his new assignment, helps locate the suspected shooters. Platt and Halstead, meanwhile, check in with Lindsay to see how she's managing. Later, a madman takes hostages in a downtown building, and Voight is sent in, alone, to try and negotiate with him.

"Born Into Bad News"

Commander Perry asks Voight and the team to rescue his cop-nephew from a corrupt squad of officers that robs drug dealers but the case becomes personal for the Intelligence unit and the Chicago PD when Commander Perry is murdered. Lindsay keeps drinking alcohol and taking drugs and slowly starts spiralling out of control, resulting in her turning in her badge to quit. In other events, a woman from Olinsky's past contacts him.