Senior partner Carl Sack clashes with Denny after the latter is arrested. Meanwhile, Shirley needs Alan's help when a university wants a donation, and Jerry assists another new attorney in a homicide case.

A new lawyer at the firm draws instant attention from Alan, who is busy helping Jerry and Katie on a murder trial and fielding an offer from Gloria to be the father of her child. Meanwhile, Clarence and Lorraine represent a woman whose affair with her pastor resulted in a loss of her faith.

Denny believes a bet against Carl Sack in a cockfighting case is a sure thing; Alan and Lorraine represent an HIV-positive girl in a suit against her school; a widow hires Katie and Jerry after her husband commits suicide.

Shirley answers the call when a military man, who is an old friend of Denny's, comes under fire for admitting he's gay; Alan endures another bout of incoherent speech; Katie helps a new associate with a bullfighter's custody battle.

A woman asks for Alan's advice on how to kill the man who murdered her daughter but was acquitted by reason of temporary insanity; Katie and Jerry try to overturn a child-molester-registry law to save a falsely accused client; and Lorraine tries to help Alan overcome deep-rooted childhood fears that cause him to speak gibberish whenever she's around.

Alan pushes a temporary-insanity defense when Patrice is accused of killing the man who murdered her daughter; Denny finds fault with an associate's physique; Jerry helps a kindred spirit find a personal treasure.

Denny needs Alan's help after using an employee's weight as a reason for dismissal; Clarence is upset by an Internet posting of him as Clarice; Katie and Whitney work on a murder case involving racism and the police; and Jerry is anxious about taking a relationship to the next level.

Shirley takes part in a case involving a radio personality's dismissal for using disrespectful language; Denny needs Alan's help after getting arrested; Katie wonders if Lorraine is hiding something.

Alan defends Clarence against a bank in a foreclosure case; a client challenges Denny's claims about the firm's commitment to the environment; concerned parents try to keep a teen from watching porn; Jerry's love life hits a rough patch; Carl weighs in on the fate of Lorraine's employment at Crane, Poole & Schmidt.

Shirley and Carl worry about the firm's reputation when Denny turns down Alan's assistance in order to go it alone on a headline-grabbing murder case. Meanwhile, Jerry and Katie help a woman who claims her husband's employer caused their divorce.

Shirley and Alan face off in court when they're on opposite sides of a case involving stolen sperm; Jerry helps his objectophile ex-girlfriend when she loses her teaching job for inappropriate contact with a student.

After enlisting Alan and Denny to help her friend, who's suing her town for its decision to build a nuclear power plant, Shirley discovers that the opposing counsel is her college sweetheart, a fact that is not lost on Carl Sack. Meanwhile, Leigh warns Katie to steer clear of her boyfriend, Jerry.

Carl helps Shirley's friend Andrea when she blames a company for botching the process of turning her mother's ashes into a diamond; Whitney takes on a high school over a student's untimely death; Clarence represents a woman who's suing her pastor after he ended their affair; Denny and Alan prepare for their Coast Guard test.

Alan and Jerry go after a tabloid talk show when a women is murdered for turning down a marriage proposal on the air. Meanwhile, Denny hopes a dinner invitation from Shirley will rekindle their long-ago romance, and Lorraine advises Alan to seek help after he confesses a childhood transgression.

Alan fields a difficult request from Shirley after her father suffers an injury while in the late stages of his battle with Alzheimer's; Carl represents a group of Nantucket residents who are concerned about homeland security; Jerry's new girlfriend sues him for sexual assault.

It's a lawyer's dream come true for Alan when he presents an appeal to the U.S. Supreme Court in a case involving a mentally challenged man who was convicted of statutory rape. Meanwhile, Lorraine shares startling news with Katie about Jerry's girlfriend.

Denny is head over heels for a cattle rancher who wants the government to stop the sale of cloned meat. Meanwhile, Shirley asks Alan to sue the Democratic Party when her nephew--a delegate--disagrees with his state's primary vote.

Jerry comes to the aid of his ex-girlfriend when she's collared for prostitution; Carl and Shirley help a woman who's suing the church for prohibiting her from becoming a priest; Denny is wooed by power brokers to run for president.

Alan and Denny mark their acceptance into the Auxiliary Coast Guard, but their relationship is tested when a Massachusetts town wants Alan to help it secede from the U.S., and Denny represents the opposition.