Voight convinces Deputy Crowley to bring in his formercellmate, Eddie Little, as a CI for the unit in order to helpbring down a big-time cocaine supplier and his local dealers.Antonio is skeptical of this decision but Voight puts him atease when he opens up about his time in prison with Little.Meanwhile, Burgess makes a difficult decision regarding herrelationship with Ruzek and Roman devises a plan to help fundPlatt and Mouch's wedding with the help of Firehouse 51.