Air date: 9/27/06

Gruesome remains of a man dissolving in a bathtub of corrosive chemicals are found in a construction site. In a search of the man's identity, they realize he was living a double life with two different families. In what first appears to be a straightforward case of jealousy and insurance money, new clues send Brennan and Booth in a completely different direction and a third suspect is brought to light. Meanwhile, Brennan, curious, confronts Rebecca about her recent antics with Booth and her rejection of Booth's marriage proposal.

The Girl in Suite 2103

Air date: 10/4/06

Brennan and Booth are called to the site of an explosion in a Miami hotel where several people were either injured or killed, including an unidentified body found burned, thought to be the bomber. Initially, the explosion is thought to be the work of a Colombian drug cartel intending to target Judge Dolores Ramos, the Colombian judicial representative, who survived the blast. Diplomatic immunity and State Department official Alex Radziwill stand in way of Brennan and Booth's investigation as they pursue key clues about the case.

The Girl with the Curl

Air date: 11/1/06

Brennan and Booth investigate the death of Brianna Swanson, a young beauty queen whose decomposed remains are discovered at a water filtration plant. Brianna's father is the initial suspect, but new clues lead elsewhere. Brennan and Booth investigate Brianna's dance school, where they find new information leading to several suspects. Meanwhile, Hodgins works up the nerve to ask Angela out on a date. At first, she rejects due to their situation as co-workers but after seeking advice from Brennan and Cam, she agrees to go.

The Woman in the Sand

Air date: 11/8/06

The team investigate the murder of a missing federal prosecutor and a related murder of a female boxer. Booth and Bones go undercover to infiltrate an underground fight circuit in Las Vegas.