Andy and Traci are part of a massive first response to a home invasion at an upscale address - an incident that ends up spilling many of the officers' personal secrets. Once the crisis appears to be over, Traci hurries off to handle a personal emergency, leaving Andy alone to confront the armed predator, a surprisingly volatile thief left prowling around the house.

A severe heat wave wreaks havoc on the city, making life on the streets even more perilous for the new members of the squad. The danger multiplies with the discovery that a serial rapist may be on the loose. Amid the chaos, Andy is cut off from her backup during a sudden citywide blackout and is challenged with taking down a vicious predator -- alone. Meanwhile, Andy also makes an unexpected romantic decision that's certain to complicate her life on and off the job.