When a robotic vehicle named "Otto," a part of a high level project of the Department of Defense, causes a death of a Navy Lieutenant, and then later almost kills Abby, the NCIS team must find out who sabotaged the vehicle and murdered the Navy Lieut... (more)enant. Meanwhile, Ziva realizes that Tony keeps on visiting the hospital. What is he doing there?

Ajay Mehta, Brian Dietzen, Corey Stoll, David Dayan Fisher, Deidrie Henry, Kevin Alejandro, Lawrence Pressman, Peter Giles, Sandra Hess, Scottie Thompson