Brennan and Booth are put on the case when a soccer mom is blown up in her minivan. The team discovers that the mother had once been a member of the National Liberation Army during the 1970s and the FBI had been trying to track her down since. But when the team learns that June may have been on her way to turn herself in, the motives for her murder become more complex. Meanwhile, Brennan visits her father in prison and Booth gives her advice on the situation.