"Hello Abby. You're in great danger." A stranger's warning is only the beginning. When Abby disappears on her vacation in New York, the rest of the team must scramble to find her. But who is this mysterious man in the suit, and how does he seem to know their every move? McAbby, possibly Tiva later.

My sort of squel to "Midnight Call", a past adversary has found Finch's connection to Abby, and now everyone close to them could be in grave danger. Now, Finch must disclose details of his past to protect Abby's future. How close is the enemy? How far will Finch go? How will Gibbs and Reese react to having to work together? Will this be the end of Finch's mission? McAbby.

A week after the bombing of NCIS HQ, Abby gets a call from a certain mysterious genius.