Booth and Brennan investigate when a dug up corpse is found in the back of a gang member's car. While being questioned, a drive-by shooting allows him to escape. Booth and Brennan follow the clues, which lead them to an empty grave and another body in a grave at a wealthy senator's house, where the gang member used to work.

When Brennan decides to give online dating a try, she ends up the target of a shooting at the local restaurant where she's meeting her date. The resulting investigation reveals that the shooter could be connected to either of the two cases she's currently working on.

Brennan and Booth investigate an apparent suicide in Arlington National Cemetery, but soon discover it is a murder linked to a military cover-up.

When the remains of a young pregnant woman and fetus are found in the Delaware Bay and identified as a newlywed who disappeared a year earlier, the investigation is aimed toward her husband, but takes a surprising turn. Booth is upset that his ex-girlfriend is letting their son spend time with her new boyfriend.