When the decaying corpse of the Venezuelan ambassador's son is found hanging from a tree on the campus of an exclusive private school, Dr. Temperance Brennan and Agent Seeley Booth are called in to investigate. The cause of death seems to be suicide, Brennen isn't convinced as searches for another explanation. 

Brennan is enlisted by Booth to help locate and identify the remains of Charlie, a 6-year-old who went missing from a local park.