New Orleans' recovery continues as Season 2 begins on Nov. 1, 2006, 14 months after Hurricane Katrina, but the rise in crime gives Colson and the police department all they can handle. Meanwhile, Sofia's emotional distance worries Toni; Albert must find a new place to stay; Annie returns from a national tour; and Delmond debuts his new album in New York, where Janette works in a trendy restaurant. The Dirty Dozen Brass Band perform.

Despite her reluctance to take on new cases, Toni helps a Massachusetts man who wants to know what happened to his son after Katrina. Meanwhile, Albert plans to cook a Thanksgiving turkey whether or not he has a place to do it; Annie learns the quirks of Davis' music-cataloging system; Antoine considers forming his own band; and Nelson gets acquainted with the local business community.

Toni's investigation of a post-Katrina casualty gets more confusing at every turn; a routine closing at the bar for LaDonna becomes a disaster; Janette is forced to make a quick trip back to New Orleans to tend to a housing crisis; Nelson ups the ante in his business deal with Robinette; Antoine practices with his new band; Sonny turns to another musician for help when his home is vandalized.

Aunt Mimi and Davis form a record company and sign rapper Katey Red; Janette makes her dramatic departure from Restaurant Brulard; Antoine reluctantly lands a teaching job.

Lt. Colson worries about the quality of the police department's investigations as citizens and activists prepare for an anti-violence march in January 2007. Meanwhile, Aunt Mimi helps Davis woo a rapper for their CD sampler; Harley encourages Annie to start writing her own songs; Nelson and Ligouri take the next step in New Orleans' redevelopment; Delmond searches for an elusive sound; Albert gets fed up with red tape; and Janette hopes her New York connections can land her a new job.

News of Jacques' troubles reaches Janette; Nelson does a favor for Oliver Thomas; Antoine names a deputy. Also: performances by John Hiatt; and Henry Butler.

As Carnival arrives in New Orleans, Albert unveils his new plumage, and Delmond discovers a new sound; Annie heads to a rural celebration with Harley, while Davis looks for an alibi to party in town; Hidalgo combines business with pleasure on a Zulu float; Toni and Sofia struggle with their memories of Creighton; Antoine club-hops with his sons, while LaDonna avoids the fracas; and Cornell offers Sonny a second chance away from all the revelry; in New York, Chef Ripert gives Janette time off to attend to personal business and Fat Tuesday

Davis' band debuts, but Annie is hesitant to perform her new song. Meanwhile, Delmond runs his fusion sound by Dr. John; Nelson makes a deal with the city; Sofia falls in with the wrong crowd; and Janette mulls moving to a less intense job. Performers include Susan Cowsill and Leroy Jones.

Davis is upstaged by an up-and-coming rapper; Albert's attention to detail irks Delmond; Nelson makes the best of a frustrating situation; Toni questions murder witnesses; Colson moves to the homicide division; LaDonna faces a difficult choice; Annie experiences the good and bad of New Orleans; Antoine changes his tune on his teaching gig. Cowritten by George Pelecanos and David Simon.

Janette gets a new nickname; Toni relies on Colson for another favor; Sonny finds an unlikely reason to go to the docks; Antoine pays a price for his on-stage antics; Albert and Delmond travel to make their record.

Jazz Fest takes center stage in New Orleans, giving Treme residents a welcome respite from a challenging year.

Antoine Batiste brinca com a ideia de martírio; Janette Desautel encontra a sua velha Némesis, Enrico Brulard, e um novo pretendente; Delmond e Albert Lambreaux estreiam o seu álbum de jazz Índio; Toni Bernette conhece L.P. Everett, um novo aliado na sua investigação das mortes pós-Katrina; LaDonna Batiste-Williams descobre que viver com os sogros é o seu próprio tipo de inferno; Sonny está no seu próprio inferno de sogros e ele e Linh nem sequer são casados; Nelson Hidalgo anda a ladrar a novas árvores de dinheiro.

Antoine’s students show interest and Annie’s demo hits the mark; Sonny and Linh show interest, but no marks are hit; L.P. Everett’s new case has smoke and fire; heat at the in-laws’ house forces LaDonna to move; Hidalgo discovers a new angle; Janette’s resistance slips; Albert learns he has chronic obstructive pulmonary disease.

Janette, Aunt Mimi and Annie commit to new deals, with varying degrees of enthusiasm. Toni may have found the killer she seeks, but Terry is still looking for his; L.P. meets his victim’s family; Antoine plays his bone in Texas; Sonny plays his music closer to home.

Antoine does a good deed, and a homeowner suspects Nelson’s deeds may not be so good. Davis fails to sign “Sugar Boy” Crawford for his opera, but Delmond gets his father to sign up for assistance from New Orleans Musicians’ Clinic. L.P. learns that his headless skeleton wasn’t always so.

Antoine does the “Cupid Shuffle,” as Desiree’s mother’s house collapses. Annie’s visiting parents learn about her record deal. Albert’s kids learn about his lymphoma. Toni learns about Sofia’s boyfriend. Sofia gets stopped by Officer Billy Wilson, prompting Toni to appeal to NOPD captain Marcus Grayson. Janette has a reunion.

Sonny rushes, but still misses the boat. Fats Domino tickles Davis’ fancy and a few of the ivories. Antoine seeks reading help for Jennifer. Janette endures corporate hell. Toni and L.P. get a witness. Desiree gets a new ally.

It’s Carnival time: Toni finds Judge Gatling dispensing judicial orders and potables at Galatoire’s. Janette seeks counsel from Emeril Lagasse and deconstructs crawfish etouffée with Al Roker. Sonny falls on the wagon. As Nelson schmoozes, Annie sits in with the Neville Brothers at the Washington, D.C. Mardi Gras Ball.

Desautel's on the Avenue opens softly. Sonny pawns instruments to buy jewelry. LaDonna gets threats from a stranger and support from Albert. Sofia gets evicted for her own protection. Terry finds a case collapsing and his popularity declining. Desiree confronts Robinette.

Janette’s restaurant is the talk of the town, but the popularity of a signature dish has her chefs feeling the heat in the kitchen. Meanwhile, Colson’s strained relationship with the rest of the police department comes with a personal risk; Desiree confronts Nelson about his demolition contracts; Annie begins to tire of Davis’ sulky attitude; Albert meets the jazz center’s benefactors; and LaDonna finally finds out what’s behind all the threats she’s been getting.

Davis and Cheeky Blakk go “full ghetto” on Davis’ goodbye to the musician’s life. Tim Feeny reveals himself and his intentions to Janette when he finds out that she’s throwing an unauthorized benefit for Gigi’s. Delmond parts ways with the powers that be. Toni sees hope that Joey Abreu’s killer may be prosecuted.

Nova Orleães celebra a eleição de Barack Obama; Desautel abre o seu próprio restaurante em Bywater; LaDonna reconstrói o bar Gigi's; o diretor da banda escolar, Batiste, interessa-se pelas vidas dos seus alunos.

Lambreaux descobre que o seu cancro se espalhou; Delmond toca com Terence Blanchard em Nova Iorque; Annie ganha o prémio Canção do Ano para "This City"; a violência atinge um dos alunos de Batiste.

McAlary e Desautel passam juntos a Passagem do Ano; Batiste arranja trabalho num filme; LaDonna conforta Lambreaux; Colson oferece-se para testemunhar, a NOPD retalia.

McAlary celebre o seu 40.º aniversário; Bernette tem uma aberta no seu caso; Annie larga a sua banda; Lambreaux insiste que Delmond seja o Grande Chefe depois de ele desaparecer; Everett regressa a Nova Orleães.

Davis gets a "job job;" Colson gets his transfer too little too late. Batiste runs into a couple of old Mardi Gras friends; LaDonna and the boys do Mardi Gras day; Bernette and Sofia salute Creighton and carry out their Mardi Gras tradition; LP Everett experiences his second Mardi Gras in a row. Annie butts heads with Marvin Frey in the studio. Hidalgo cashes out - but pays it forward.