A cryptic message penned in human blood is discovered at a national monument. As the Jeffersonian team embarks on a scavenger hunt to solve the case, they realize their tech-savvy suspect (guest star Andrew Leeds) remains one step ahead of them. Meanwhile, Booth and Brennan search for the perfect home for their new family.
Jason and the team must protect an ambassador who refuses to evacuate as the country becomes increasingly unstable; Clay and Stella take their relationship to the next level.
A petty officer's death leads the team to a teenager in Sam's life; Hetty is concerned about the effect that the workload has on the team.
While preparing for their annual softball game, team members are called in to investigate the murder of a former Cuban baseball star who escaped to the United States after running afoul of his government.
A hypnotist who uses her powers of persuasion to rob banks becomes the prime suspect in a murder investigation.