Tom Degnan

Flashbacks to Finch's adolescence provide insight into his creation of The Machine. Also, the team receives the number of an already dying man, and Reese leaves the POI team behind in the aftermath of the war with the crime organization, HR. Camryn Manheim and Saul Rubinek guest star.

Danny and Baez meet with resistance while investigating a bombing; Frank deals with political fallout after a man punches an aggressive officer.

Peter gets acclimated to life at home and works on a comeback strategy with his political team. Meanwhile, Alicia and Diane wrestle with spousal privilege laws in a murder case that hinges on their ability to get a wife to testify against her husband.

A recent loss creates a rift between Booth and Brennan, as they deal with their grief in different ways. Meanwhile, an old flame from Brennan’s past comes to visit.

Benny defends a whistleblowing army analyst who has been court-martialed; Marissa forces the office to work without its usual technology to avoid being hacked during the case.

A person of interest in a bribery and fraud case is found murdered after a runner is led to his body by a strange voice; McGee and Delilah disagree about finding out their baby's sex.