A discharged Navy Intelligence officer, suffering from post traumatic stress disorder, is the sole survivor of a deadly dispute being investigated by the team. Kensi connects with him personally.
After a young woman dies at a gubernatorial campaign rally in Virginia, The Lightman Group is hired to assess whether the case is a failed assassination attempt or a well-disguised murder plot.
Cal risks being exposed as a gambler in an underground fight club when one of the fighters is found dead. Meanwhile, Gillian's romance with Burns hits a snag when she uncovers a troubling secret.