Things get messy for the 118 following a massive pipe explosion. Meanwhile, Athena investigates the brutal beating of a man found behind a grocery store, and Bobby's working relationship with Brad from "HOT SHOTS" just got a little more intimate.

Following an earthquake, the 118 races to the scene of several unusual fires and must figure out their cause before anyone else is hurt. Meanwhile, as everyone settles into their new normal, they try to move forward and plan for the future.

The 118, still reeling from their recent loss, is dispatched to a mass casualty event after a high-rise apartment building collapses. Then, Athena and Chimney have to work together to save a familiar face.