The 118 team battles an "un-bee-lievable" emergency when a trailer with millions of bees crashes on the streets of Los Angeles, unleashing a swarm.

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.

Maddie's return to work proves to be more triggering than expected, as she may have returned too soon. Eddie struggles to adapt to his new surroundings.

Athena and Buck are in a race against time to rescue the rest of the 118 following the fire in the bio lab.

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.