June and Day make their way to Las Vegas where they join the rebel Patriot group and become involved in an assassination plot against the Elector in hopes of saving the Republic.

Vowing to bring down the crime boss running the city, a group of Gentlemen Bastards, led by Locke Lamora, sets out to beat the Capa at his own game, taking on other thieves, murderers, beggars, prostitutes, and thugs in the process.