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.

When the skeletal remains of a federal prosecutor who disappeared five years earlier are found in the desert outside Las Vegas, the team suspects it to be tied to the mob. Booth and Brennan go undercover as Vegas high-rollers in an attempt to uncover the mystery, Booth risks his life.

The bodies of twin boys, kidnapped five years earlier, are discovered. The investigation lead Booth and Brennan to a notorious kidnapper known as the Grave Digger. During the investigation, Brennan and Hodgins become the Grave Digger's next victims.