Deeks is arrested and interrogated in connection with the murder of his former partner, while the team tries to prove his innocence.

The mole has once again compromised the NCIS team as planted evidence results in the arrests of Callen, Sam, Granger and Deeks, on the day Under Secretary Duggan (Jackson Hurst) returns for Hetty’s resignation.

The NCIS team searches for a stolen painting valued at $40 million after online chatter indicates the artwork is being sold on the black market to fund terrorist activity.