The investigation begins when a is discovered buried in a mound of salt within a city de-icing truck. Dr. Temperance "Bones" Brennan identifies the victim as Ashley Clark , a 16-year-old high school volleyball player who had been missing for three weeks.

This episode marks the first appearance of Arastoo Vaziri (Pej Vahdat), a recurring intern ("squintern") known for being a practicing Muslim.

Fitts used a specialized chiropractic instrument to kill her, which Sweets and Angela discovered while posing as a married couple. Key Character Developments

As the team delves into the case, they uncover a shocking social dynamic: nearly half of Ashley’s volleyball team is either pregnant or has recently given birth. The investigation reveals a among the girls, who planned to raise their children together in a single household. Most notably, the victim and several other girls were impregnated by the same classmate, Clinton Gilmour . The Murder Case

A red thread found on the victim's sweater was traced to the interior of a BMW sedan, which Dr. Fitts owned.

The team identifies the killer as , a chiropractor. Evidence linking him to the crime included: