The team investigates the death of a famed Marine commander's son, while a pivotal part of Franks' past involving his family is revealed.

The team investigates the brutal murder of a veteran who fell on hard times after serving in Vietnam, leading Franks to reflect on his own struggles following the war. Also, Gibbs considers a new path forward.

The team investigates the brutal murder of a military sergeant found burned in her car, a case Franks suspects could have a connection to the assault of his estranged wife.

Vera receives an unexpected call from Bugs, who claims he's ready to answer more questions from prison after being identified as the sniper known as Sandman.

After the shocking developments in the Sandman case, the team works with the FBI to investigate further; while Wheeler struggles to hold onto his job, his family reaches a crisis point.