Midge takes the stage for a foreign audience, while Abe and Rose find themselves in a new world. Susie experiences the repercussions of having a bad reputation in the business, as Joel regroups after quitting his job.
When the kill count of a mass-murdering arsonist active in a small town reaches 31, the BAU are called in.
Devon is concerned when a mother's complaints go unaddressed after her delivery, and he pushes Bell to take drastic measures.
As Halloween approaches in the city, the agents investigate a mannequin prop in a haunted house that turns out to be a real body. Catherine seeks help from Folsom to search for her missing friend.
The team investigates after a group of teens discover a dead woman behind the wheel of an abandoned car in a Nevada ghost town.