In the aftermath of a deadly mine explosion, the team infiltrates the coal mines of West Virginia to put an end to the dangerous practices of the mine's owner. What the team digs up threatens the tight-knit community.
To get a violent hedge fund manager to reveal information that could lead to Damien Moreau, the team convinces the man that he has murdered Parker, not knowing that there own con has made the rogue financier an assassin's target.
The Centers for Disease Control calls on the BAU when they suspect bioterrorism is behind a series of mysterious deaths in Virginia. Also, Garcia visits her stepbrother to take care of a difficult family issue.
Becca is back and concerned that a relentless stalker from her past has returned. She hires Shade and Angie to look into the dark world of media, fame, and celebrity obsession, in search of a dangerous super fan.