When Bobby's priest performs an exorcism on a parishioner, who dies during the procedure, Bobby must manipulate the system to shield Father Martin from murder charges; Eugene represents Martin Parks in a bizarre malpractice suit. Jimmy decides to tape a television commercial, a decision that proves unpopular with his colleagues.

Bobby is arrested and tried for the deaths of three police officers, after he tips off a client, using information obtained during a sleepover at Helen's, that the police are planning to raid him. Jimmy has to defend himself when an opposing attorney claims he's unfit to practice law.

Bobby defends Dr. Jeffrey Winslow, on trial for the brutal murder (and decapitation) of his mistress. Neither Bobby nor Helen (the D.A. on the case) will back down, sending their relationship into a tailspin. Eugene defends Rebecca's irascible uncle on tax evasion charges.

The saga of Dr. Jeffery Winslow continues. Bobby uses every trick in the book to keep Dr. Winslow out of jail.

Bobby is called on to defend Joey Heric on murder charges once again. Lindsay goes up against her former professor, Anderson Pearson, when she represents a client who's addicted to cigarettes. Lindsay sues Pearson himself when she suspects his firm of burying damaging information. Ellenor defends Cruikshank against anti-tourism charges, earning hersely several trips to jail when she vehemently disagrees with the judge's decidedly biased position.

Helen and Lindsay move in together. Rebecca tries her first case. Anderson Pearson calls on Lindsay to defend him when he's arrested for the murder of a stalker.

Bobby and Lindsay lay the groundwork for the Pearson trial. George Vogelman, the podiatrist that answered Ellenor's personal ad (episodes #5, #12), comes into the office with a severed head in his medicine bag. Ellenor and Eugene try to determine what to do with Vogelman. Jimmy and Rebecca defend Jesse Manning, an elderly man accused of plotting to murder his wife. The prosecution's case is based solely on evidence of his step-by-step drawings of the murder and an intricately devised plan for the perfect murder.

Tensions flare at the firm when Ellenor takes a questionable tactic in the Vogelman trial. With the odds stacked against them, Ellenor and Eugene adopt a 'Plan B' strategy, which essentially involves accusing the victim's family and friends of the murder.

Bobby fears that Lindsay is too emotionally involved as she takes her last shot at saving Pearson. The firm is sued by Steve Robin, who claims the firm slandered him in the Vogelman trial. Eugene strikes an illegal deal with Helen to help his client Kevin Peete in exchange for damaging information on the Harrelson killer.

Jimmy takes on Tommy Silva as he battles for the firm's future. He's forced to make unpopular decisions when both Ellenor and Eugene are ineffective witnesses.

The office is thrown into turmoil when Ellenor's client Leonard Sowers rushes through the door with policemen giving chase and throws a bag of heroin onto her desk. Ellenor is arrested for possession of the heroin. A proximity search of her desk turns up a bloodied knife which turns out to be the weapon used to murder Susan Robins. The firm is dealt a surprise when Dickie Flood charges Ellenor with first degree murder. Lindsay & Ellenor bury the hatchet when Lindsay takes over her defense. The police, hoping to make another case for the murder, arrest George Vogelman for concealing a murder weapon and perjury. Meanwhile, Bobby defends Judge Kittleson when she's sued by a former clerk claiming sexual harassment. Jimmy is mesmerized by Judge Kittleson's frank sexual discussion.

Tensions flare when the 'male nun' starts infiltrating the office. Ellenor buys a gun for protection. Rebecca suspects that a wealthy man has bought a client's guilty plea.

Ellenor defends a 'slow' teenager accused of killing a younger boy. A witness comes forward claiming to have information exonerating her client, but Ellenor suspects he's lying. Helen calls in a police officer when his son is under suspicion in a homicide. Representing the accused, Bobby argues the officer was acting as an agent of the court, not a father.

Bobby defends the so-called 'Black Widow'; a woman who's accused of murdering her recently deceased husband and whose two previous spouses also died mysteriously. Helen lies to a 15-year-old girl who killed her unborn child, coercing her into giving a statement.

Despite a restraining order, William Hinks continues to harass Lindsay, as more questions arise as to whether or not he's the real serial killer. Meanwhile, Bobby blames himself for Scott Wallace's latest offense.

Tensions at the firm are at an all-time high when Bobby is tried for the murder of William Hinks. Bobby is acquitted, though there is little to celebrate when a mysterious cassette recorder is sent to the office. Lucy and Rebecca hear Hinks' voice on the recorder, just before it triggers an explosion.

Unconscious and in critical need of blood, Rebecca's fate is left to a higher power when her mother refuses to allow a transfusion because of the family's religious beliefs. Bobby is awestruck when Lindsay gives birth to their son a month early.

The crossover continues on Boston Public S01E13 Chapter Thirteen (II).

Helen Gamble uses trickery to coerce a confession from an alleged carjacker represented by Jimmy Berluti. While Gamble feels that her means were legal and necessary to get a dangerous man off the streets, Berluti and Eugene disagree and ask a federal judge to rule the confession inadmissible, a decision that would set the carjacker free.