It's the week of Mardi Gras and it's the busiest time of the year for our first responders. Working the parade route comes with its own challenges and unique cases. Keeley treats man who impaled his hand on a fence. Meanwhile, Titus and Dan have to navigate a flood of people to treat a man stabbed in the face. But most of the drama happens off the parade route. Titus and Dan race to save an 18 year old shot in the head through and through. Randy & his partner Devin, search for suspects in an armed robbery, which leads to a high speed chase.