With Kovac still at large, the team searches for evidence to track him down. After Brennan experiences a setback, the rest of the team must figure out how to find Kovac without her, putting everything she has ever taught them to the test. When all signs point to Kovac having outside help, as well as a hideout, Booth and Brennan go searching for him.
Jane and Maura investigate after the coach of the Boston Pilgrims baseball team is found dead in the locker room. The death comes as the team owners and a star player battle for control of the team. Meanwhile, Jane's brother Tommy (recurring guest star COLIN EGGLESFIELD - Something Borrowed, Melrose Place) returns home after being released from jail.
When a series of corpses with ties to Booth’s former Army unit appear around D.C., Booth must dive into his past to find the killer before the killer finds Booth. Meanwhile, Brennan’s father, Max, hides a serious medical procedure from Brennan, leaving her to grapple with her father’s trust and mortality, as well as her family being in danger.
Shaw joins a team of international thieves in order to keep tabs on the latest POI, but an unexpected turn of events puts her in danger of being detected by Samaritan. Finch and Root, meanwhile, undertake a dangerous sabotage mission.
Alex asks a friend to further investigate Ginny's murder, but Mr. Johnson intervenes; Alex and Cassandra travel to L.A. to stop a sniper from enacting revenge for a drug cartel; and Det. Brown helps the FBI locate a missing ex-special ops agent in Las Vegas.
