The BAU hunts kidnappers targeting couples as Elias Voit faces a familiar darkness in prison.
The BAU investigates a veteran's death as Prentiss and Voit move to shut down a podcast from conspiracy theorist Brian Garrity.
When new bodies are linked to Sicarius, the BAU takes Voit into the field to verify the killings.
An UnSub terrorizes spouses before killing one and sparing the other. Meanwhile, Voit receives disturbing mail from The Fan, a mysterious admirer.
Alvez and Tyler team up to investigate the murder of an FBI training instructor, while the rest of the BAU explore ways to lure out The Fan.
The team investigates The Fan, while Brian Garrity questions the damage caused by his podcast.
The BAU investigates a string of brutal police officer executions in a border town. Could the killings be cartel-related or something far more personal? The rabbit hole goes deeper when it's discovered that the department may be harboring dark secrets of their own. Behind prison walls, Voit receives an enigmatic visitor, one who may not be what they seem.
Voit asks the BAU for help after he is threatened by The Fan, and the team must race to stop an UnSub before he can finish his chilling work with his latest victim.
After The Fan sets his sights on Brian Garrity and Voit devises a strategy to deal with his nemesis, the BAU must use their profiling prowess to identify The Fan and save their ally.
Now that The Fan has been identified, the BAU and Elias Voit must disrupt his carefully laid plans in order to save his final victims. They discover that the answers they seek, about his fixation with Voit and his current location, lie in The Fan's twisted past. The ultimate showdown with the shadowy villain awaits them in this climactic finale.