Brennan clashes with the new boss, Dr. Camille Saroyan, who has a romantic history with Booth. Booth gets a visit from his ex. A serial killer reaches out from prison in a deadly game involving Bones and Booth. One case has ties that go deep inside the FBI, endangering Bones and her brother Russ, and risking Booth's career. Bones receives a visit from an old friend of their father Max Keenan, who is holding back a secret. Hodgins suggest a change in his and Angela's relationship.
Bones's father shows up, with an heirloom and a message from her mother.