The Jeffersonian team investigates the murder of Lauren Frank, a kidnap victim whose remains were found buried at a park. But when they discover the unhappy relationship that Lauren had with her stepmother, the team starts to think the killer was someone closer to the girl than expected. Meanwhile, Hodgins uncovers a shocking secret about his family and Brennan and Booth face a common couples dilemma - whether to co-mingle their funds -.

Repo man's remains are found in a septic tank, and the Jeffersonian team must work together to figure out who the killer is. When the team discovers that the victim had a troubled past, some key witnesses from his earlier days become potential suspects. Meanwhile, handsome and charming Rodolfo Fuentes has defected from Cuba, where he was a forensic anthropologist, but now needs an internship to complete his degree. Brennan agrees to try him out as an intern on a case, and Brennan and Booth discuss whether or not Christine should have a religious upbringing.