An assassination attempt against Mayor Cleveland during the rededication of the Monarch Theater opens up a nest of corruption in Daniels' office; several officers catch the "blue flu" and head for Las Vegas with Belker, who wins $5000 on a free spin; Vera Horvath continues to hound Stan; and Hill and Renko try to settle a dispute involving a stolen lottery ticket.

Mayo and Garibaldi investigate when Councilman Detweiler's mother shoots an intruder; Hill and Renko catch a notorious loan shark with over $300 in outstanding parking fines; a distraught man threatens to set fire to his wife and child; and Belker is kidnapped and abused by a group of winos.