Peter Florrick (Chris Noth) returns home and shares an emotional reunion with his children, Zach (Graham Phillips) and Grace (Makenzie Vega), while his conflicted wife Alicia (Julianna Margulies) looks on. As part of the terms of his house arrest, Peter is forced to wear a large ankle monitor and may not leave the apartment or communicate with the outside world, which leaves him feeling restless and anxious to get to work on his case. Zach shows Peter incriminating photos he had been hiding from his mother, which are doctored to appear like Peter is sleeping with other women.

Zach also shows a photo he secretly took of a man bugging the Florrick apartment entranceway. Peter tells Golden (Joe Morton) and Poole (Francie Swift) he wants to call in political operative Eli Gold (Alan Cumming) to assist in the case, much to the chagrin of Poole, who has a bad history with him. Gold, a hardened and blunt investigator, immediately recognizes the man in the photo as a federal investigator, and informs Peter he is under investigation by the FBI.

Meanwhile, Alicia helps Diane (Christine Baranski) defend Brad Broussard who is charge with shooting Miles Wagner, a mutual fund manager who assisted in stock broker Bernard Madoff’s investment scandal. Having defrauded many of out of their life savings, Wagner was so unpopular that onlookers in the courtroom vocally condemn him and praise Broussard for killing him. Broussard lost $98,000 in life savings thanks to the Wagner, and was found covered in blood at the crime scene, but he insists he is innocent. Alicia is suddenly and inexplicably taken off the Broussard case and replaced by the less experienced Cary (Matt Czuchry). When Alicia confronts Diane about it, she learns the decision was made not by Diane, but by Will (Josh Charles). Kalinda (Archie Panjabi) suggests it is the result of what she perceives as an ongoing flirtation between Alicia and Will. However, when Alicia confronts him, Will insists he simply wanted to give her a break because of the complications of Peter returning to her life. Alicia insists it will not affect her job performance, and an apologetic Will puts her back on the case.

A security guard who bears a resemblance to Santa Claus testifies he saw Broussard enter the parking garage just before Wagner was shot. Although the witness initially wins over the jury with his jolly manner, Cary discredits him by establishing he is actually a drunk who moonlights by appearing in porn films. Meanwhile, Alicia speaks to a ballistics expert named Kurt McVeigh (Gary Cole), a mustachioed country man wearing flannel, who has a strict principle that he will not testify in a case where the client is guilty. Diane is initally taken aback by this attitude, but she later visits his cabin to discuss the case. He reveals Broussard could not have shot Wagner because the forensics indicate he was shot inside a car. However, studies conclude it was indeed Broussard’s gun used in the murder, leading Diane to believe it was planted.

Alicia travels to the home of Wagner’s partner, Martin Knox, who had a strong financial motive to kill him. Knox’s wife, Rachel, who strongly dislikes her husband, reveals he was missing at the time Wagner was shot and returned home later under suspicious circumstances. Rachel is willing to testify, but is legally unable to do so against her husband. Just as Broussard starts to consider a plea deal, Alicia discovers a financial tactic that will allow Rachel to take the stand. She implicates her husband, and Bloussard is vindicated and set free. Meanwhile, apparently working on behalf of Peter, Kalinda visits FBI agent Lana Davenport (Jill Flint) to about the federal investigation against him. The contact, who seems to take a romantic interest in Kalinda, offers her a job working for the FBI asks her to feed information about Peter, but Kalinda declines. Meanwhile, Peter reveals to Alicia that Zach hid the photos from her to spare her feelings. A stunned Alicia has trouble taking the information in, but Peter insists everything will be alright.

“Bang” is the fifteenth episode of the first season of the American legal television series The Good Wife. It originally aired on CBS in the United States on March 2, 2010.

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