Beau meets Megan's cousin, NBC's Tim Russert. Kay and Stan return to duty, after Stan undergoes a final test, and Kay finds her desk has been moved. They, like Beau, must both get used to the job again. Tim and Beau investigate the discovery of a skeleton found buried in a backyard. Bolander and Munch discover an unlikely suspect in the murder of a quiet elderly couple: their grandson. Gee exposes Granger, who used his relatives in some department plumbing contracts; the information is leaked to the papers, Granger is forced to retire. Barnfather is made colonel and a new captain is named, Megan Russert. The higher ranks of the Baltimore police department are now more politically correct, but Gee doesn't like it.

A riot breaks out at the prison, where two inmates are killed. The squad goes to the scene, but Frank must still stay behind. Bayliss, Lewis, Kellerman and Howard interview the inmates; many of them have familiar faces. Frank works on his target practice. Bayliss thinks that one inmate really wanted to tell him something, so he puts together a deal to get the information. The inmate confesses to the murder and Bayliss doesn't believe him. Another riot breaks out and the truth is finally discovered.