Christopher Maher

While working on an assignment, Gibbs is seriously injured in an explosion and taken to hospital where he recalls his painful and hidden past. The rest of the team must proceed with the investigation and put their feelings towards Gibbs's injury aside. Tony is left in charge, which may cause a bit of trouble.

The NCIS team must work on an assignment against a terrorist group without Gibbs, who is still recovering from the explosion. Gibbs struggles with memory loss and is visited by his mentor and former boss. His help is vital, especially when the team discovers that Gibbs is the only person who has information about the terrorists' plans, which he needs to remember before the terrorists attack.

A group of prep school students are gunned down in a raid on a drug den. Detectives link the massacre to an Afghan warlord, but the prosecution is complicated by the fact the killer is a US ally in the war in Afghanistan.