The death of a marine sargeant is treated as suicide but the team suspects otherwise. Torres starts looking for apartments close to work as he adjusts to his new role.
The chase for the fugitive continues. Gibbs team up with Fornell´s partner. As they try to locate the remaining targets on the hit list, the case takes an unexpecting turn.
Gibbs suspects that a 14-year-old who stopped a home invasion is holding back information; Vance and Fornell head to London as part of the case involving the escaped British spy.