Antoine holidays with his kids in Baton Rouge while LaDonna and Toni look into a local case of mistaken identity. Davis and Creighton decide to take their pain to the masses, while Sonnie leaves Annie for a gig in Texas and Albert accepts an invitation for dinner.

Davis concocts a remedy for the post-Mardi Gras blues; Annie makes a decision that Sonny takes personally; Janette’s latest chef’s gig gets bogged down; Antoine becomes LaDonna’s unexpected benefactor; Colson warns Albert to avoid trouble on St. Joseph’s night; Creighton is inspired by a classic novel set in old New Orleans.

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, 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.