After a young Muslim Marine is murdered near his Mosque, Ducky refuses to perform autopsy due to his religious beliefs, so the NCIS team tries to talk to the father of the deceased, and they send McGee to plant a bug in the Mosque, only to discover that the FBI already planted their bug.
Sean discovers the secret between Christian and Julia. A hospitalized Matt bonds with his rehabilitation counselor. Eden suspiciously makes peace with Julia. Kimber and Ram reveal their future plans.
A Russian scientist and an Britsh MI5 agent are suspected of collusion. Jonas is sent to London to team up with the agent. However, things get complicated as Jonas had been engaged to the agent's wife earlier.
