The NCIS team is in a race against time to find a missing officer who disappeared during his wedding proposal.

When the NCIS team engages in Walk-a-Mile day to gain a new perspectives on different departments, things take a turn when Kasie receives a distress call from a mysterious man.

As NCIS mourns the loss of Ducky, the agents find comfort in working on one of his unfinished cases involving a woman whose father was dishonorably discharged from the Marines.

The NCIS team must help Torres when he puts his future at stake by confronting the man who tormented his family when he was a child.

Agent Torres finds himself in prison as the team tries to stop an impending terror attack on U.S. soil.

When a suspicious murder occurs in the classified section of the National Archive, NCIS must investigate a string of Russian spy encounters that may be linked to the crime. Also, Jimmy accidentally makes a confession that could change the course of his relationship with Knight.