In the small New Orleans neighborhood of Treme, they are about to celebrate the first "second-line parade" since the town was struck by Katrina and many of the local musicians and residents are reunited, but even more have not yet returned.

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.