A train carrying a popular Senator is derailed by a car positioned on the tracks. Brennan works out why the dead body of a rich businessman was placed in the car, and the search continues for her father. The team has a new boss.

After digging up the skeletal remains of a young girl, the investigation points to a convicted serial killer on death row. The team follows cryptic clues that lead to another body, an accomplice, and a victim who may still be alive.

The team investigates the death of a 10-year-old beauty pageant star. The other contestants, their parents, and their siblings all become possible suspects. Hodgins and Angela go on a date that actually goes well, despite what everyone else predicted.

While investigating the death of a film student who was working on a documentary about the legend of a headless witch who haunted the woods in the 1700s, Brennan develops a strong bond with the victim's brother.

The team investigate the death of an Asian woman found without any bones left in her body.