In the final episode, Carter inadvertently proposes to Sue after she gets her wires crossed. Nevertheless, he is a man of his word and they announce their engagement to the people of Rome. Their sudden decision to wed prompts Kenny and Max to do the same, although they later begin to experience cold feet. Digging in her friend Selma's backyard, Myriam Wambaugh discovers human remains and Selma goes on trial for murder. Persuaded to defend her by his ex-wife, Wambaugh manages to get her off and passion erupts again for Doug and Myriam, who decide to get remarried in a triple ceremony with Carter & Sue and Kenny & Max. Meanwhile, the Brocks' marriage is in serious trouble, with Jill feeling they have come to the end of the line. She moves in with Joey to do some thinking and Jimmy is left to do the same. At the wedding, the three happy couples tie the knot and the wedding fever gets to Jimmy and Jill, who make up and get back together. As the cast gather for a group photo in their wedding finery, the series ends.

It is the christening of Mayor Bey's baby, Michael, but the Rome residents are flabbergasted when Laurie announces that she had the baby for her brother Jerry and his lover Gordy, who plan to raise the baby in the town. The Beys' estranged mother Christine, who turned her back on her children because she was deaf and he was gay, turns up and announces she is taking them all to court to get custody of her grandson. Tension brews in Rome as the people take sides on the issue and a campaign begins to have Laurie removed as Mayor, resulting in Jerry and Gordy being attacked at the supermarket by a vicious homophobic gang. Despite attempts by the prosecution to discredit the men and prove their lifestyle is unsuitable to raise a child in, Judge Bone ultimately rules in their favor and allows them to keep baby Michael, saying he does not feel they pose a threat to the boy. The court case over, Mrs. Bey leaves Rome again under a cloud, and Laurie is emotional as she leaves the baby in the care of his two dads.

Jimmy learns he might have a cancerous growth on his liver. At the same time, he investigates the murder of a homeless man found behind Reverend Novotny's church. The murder suspect grabs Jimmy's gun and holds him hostage at the sheriff's office, but Jimmy and Kenny convince the man to give up the weapon. Later that day, Jimmy learns that the growth on his liver is benign.

When an Amish girl is raped, she refuses to testify against her rapist due to her religious beliefs. The rapist goes free and rapes another girl whose outraged family sue the Amish community, blaming them for the rape.

When Wambaugh learns that Miriam has a new man in her life, he suspects that the man must have an ulterior motive.

Maxine Stuart meets with opposition when she fills in as mayor and enacts some unpopular policies and changes. Shock jock Chuck Dante adds fuel to the fire on his radio show. The situation becomes serious when one of Dante's followers shoots Maxine.

Jill fills in as the school's interim basketball coach when the regular coach collapses during a game. Under pressure from the parents, she becomes obsessed with winning, leading Zack and his teammates to obtain an injunction to remove her. Matthew develops a gambling addiction.

Jill's emotions take control as the family celebrates Zack's 13th birthday.