Alvin asks Nick to help Barbara after her teenage son is arrested for drug possession. After Barbara's son, Russell, is arrested for drug possession, the charge changes to manslaughter when the teen who was with Russell is found dead from an overdose of the badly manufactured drugs. Now, as Russell maintains his innocence, but refuses to give up his source, Nick must find out whom Russell is protecting before the boy's future is ruined. Meanwhile, Burton asks Nick to help get the copyright for the toy "Bunny - Buddy," which is holding up a multimillion-dollar buyout. However, the eccentric old man who invented it is creating problems for Nick, fearing that the integrity of his creation will now be compromised.

Nick defends an Arab American man who appears to be the victim of a hate crime. Wendy Moniz ("Nash Bridges") and James B. Sikking ("Brooklyn South") guest star. Nick gets a new boss at Legal Aid, Louisa "LuLu" Archer (Moniz), and their first case together involves the vandalism of a restaurant owned by the Arab-American and his young daughter. However, things are complicated further when the vandal, who was viciously beaten in self-defense by the restauranteur, turns out to be a teenage boy.

Nick, now working at another law firm, is reinstated as the guardian of young Hunter Reed, his first case. Polly Draper ("thirtysomething") guest stars Both Nick and his child advocacy boss, Alvin, face Nick's father, Burton, in court. Nick, who is now working for Burton's competitors, Kirk and McGee, faces him when he is reassigned to Hunter -- the young boy who witnessed his father kill his mother -- after Hunter's father's controversial verdict comes in. Meanwhile, Alvin agrees to defend his ex-wife (Draper), for whom he still has some unresolved feelings, in a wrongful termination case, only to realize that the company they are suing is represented by Burton.

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After a rough turn of events at Kirk & McGee, Nick is back at Fallin & Assoc. just as Burton is looking into the case of Susan Newberg, deceased daughter of longtime client and family friend Frank Newberg. What begins as an investigation into Susan's widower Ray Harper, and the $11 million estate left to him, ends in a shocking case of suicide linked to sexual assault. Nick and Burton put their legal licenses and freedom at stake by violating their attorney/client privileges to protect Frank's youngest daughter and victim, 16 year-old. Meanwhile, first-year associate Amanda Bowles walks out of Fallin & Assoc. when Burton disapproves of her volunteer work at CLS.

Nick's Aunt Liz visits Burton & Nick and tells them she is dying.

Nick thinks a woman he helped get her kids, may still use drugs.

A case that Nick took at Legal Services creates a conflict of interest, James tries to help his nephew.

Nick tries to help 2 brothers get adopted, the foster parents want the "gifted" brother. Jake tries to save his dad from losing his house to a loan shark.

When a mother of a missing child shows up in Nick Fallin's office at Legal Services, he finds himself in the middle of an emotional struggle for closure and justice. Prior to the disappearance of her daughter Grace, Janine McGregor was in a car accident with her for which they were awarded a large settlement. However, since Grace has been missing for 10 years, the insurance company will not release the money. After years of searching for her daughter, Janine believes her only chance to get the money she so desperately needs is to have Grace declared deceased. However, just as a judge is about to sign off on the declaration, Grace unexpectedly reappears saying she had been kidnapped and taken to Europe. Nick encourages Janine to take the necessary steps to verify Grace's identity. However, with nothing but her gut feeling, Janine is convinced that the girl who has returned claiming to be her daughter is really her "Gracie." Meanwhile, Nick and Burton Fallin are faced with the death of a close friend and colleague, Judge Stanton. He was a long-time friend of Burton's and was the judge who presided over Nick's probation. His passing causes Burton to re-evaluate his life and his accomplishments as a lawyer.

Trouble gets very deep for Dale (Nick's Parole officer asks for help from Nick. Later LuLu's husband to be is arested. Nick can't tell LuLu. Burton wonders if his son will be on the federal bench.

Nick and LuLu find teenagers in her house, after they hear a girl screaming giving birth. They want to keep the baby and soon end up in foster care.

Burtton turns his law firm over to Sen. Nathan Calldwell, he gets ready to be a federal Judge.

In The Season Finale Burton and Lulu tells Nick damaging information but that deals with a wanted killer. Dr. Reed asks to be his son's (Hunter)Trustee but their future could be in trouble.

Burton tries to save Nick who is behind bars temporarily for drug possession by looking for a defense in Mandy's daughter Shannon. Shannon's grandmother doesn't want her to testify.

A 13 year old is charged with the rape and murder of his mother and could be tried for first-degree murder. Nick must try and get the case to juvenile court.

Burton's past comes back to haunt him as he gets close to being a Federal Judge.

After deciding to work together, Nick and Burton Fallin return to the old offices of Fallin & Associates to create a new firm, Fallin & Fallin. Finally working on equal ground, Nick and Burton's first big client turns out to be Allegheny County Hospital, which is under scrutiny as one of the nurses is arrested and confesses to killing patients in the oncology department during his shifts. The hospital faces several potential lawsuits from the family members of the patients who died. To assemble a strong team of attorneys, Nick and Burton bring in James Mooney to help with the case but soon discover that his grandmother died in that very hospital just a few months earlier. James immediately removes himself from the case but he eventually gives into his desire to fight for the underdogs and tries to find representation for the family members. Meanwhile, Nick is also thrown into a case as a favor to Laurie Solt, where he must defend a child's right to attend an adoption party. This is a concept that Alvin Masterson finds reprehensible, as he believes it treats the children as though they are cattle to be sold at market.

Alvin head of Legal Service of Pittsburgh is arrested and LuLu takes over after seeing him on tv.

As the legal guardian of two siblings he represented the year before, Nick must find the missing sister so she can be a bone-marrow donor to save her dying brother.

Nick takes on the case of two children after their brother dies from their father's neglect.

LuLu represents an old friend after one of her adopted children is dead. Nick represents someone he knew as a kid.

Nick has to represent Levi who may not be allowed in school for not telling who beat him up.

Nick takes the case of a 16 year old mom who wants to put her baby up for adoption, after her father ends up being arrested for the murder of the 16 year old's very ill mom. Brian Olsen (LuLu's Husband) ends up being accused of negligence.

Nick helps a boy stay in the shelter. Burton helps Mary Gressler and Shannon out.