Officers Robb and Bethany are helped by the K9 Unit to corral a suspect who takes off running after a car chase. Fire Rescue's Rush and Rutledge struggle to convince a man with heart problems to go to the hospital. Mayville and Doug are called in when a car careens off a bridge–and the driver can't be found.

It's Halloween night in Tampa and the cases get wild. Tony and Dave treat a woman who was shot in the chest with a BB gun and is bleeding uncontrollably. The ROC Squad responds to a call from a man who was shot, and Will and Dimitri go into detective mode to help track down the assailants. Later on, Air Control guides Robb and Bethany to track down a fleeing suspect who thinks he can hide in a trash dumpster.