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.

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.

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.

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.

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 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.

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.

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.

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.

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.

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.

Shirley's granddaughter gets kicked out of school for making a social statement; Alan and Denny take matters into their own hands to help a flood victim; Carl makes an important decision about his future; Lorraine makes a shocking revelation to Shirley.

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.

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.

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.

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.

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 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.