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.

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.