The 113 responds to a museum overrun by cuddle hornets, while newcomer Det. Rogue Kelly investigates a series of ominous crimes of biblical proportions. Blythe and Dixie face the consequences of their brawl, and Don pays a price too.

The 113 investigates cries in an apartment's walls and deadly beauty products. Meanwhile, Nashville's newest criminal threatens more plagues and surprises Cammie with a direct call. Don clashes with Ryan, and Blythe firmly maintains the bed divorce.

A blinding agent strikes Nashville during a pollen storm, leaving Blythe and others critically ill. Rogue and the 113 race to find a cure and the source, while Sam and Roxie perform an emergency heart transplant. Blythe discovers Sam's secret.

The Pharaoh targets Dixie's flight. A new dispatch manager arrives to lead Cammie and her team, while Rogue divulges his tragic past to Don and Ryan. Dixie reveals a secret during a monumental performance.

Don turns to Rogue for advice as he navigates a personal predicament. Meanwhile, Rogue works to get closer to The Pharaoh, while tensions rise at Nashville Dispatch between Cammie and Dr. Zellner.