Andrew Thacher

The team find that they have become targets for Paloma Reynosa, who is trying to fulfil her vendetta against Gibbs.

Meredith and Bailey both have liver transplant patients. Owen needs to look after Harriet.

Ryan decides whether to invite Marissa to his birthday party.

There are more tears as the gang say goodbye to an old friend, while Gemma continues to cause tension.

To Russell's delight, Timmy goes back to the drawing board about his approaching arranged marriage. Jeff develops a keen interest in Audrey's favourite reality television show.

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.