T hroughout the history of "NCIS," Special Agent Leroy Jethro Gibbs (Mark Harmon, Austin Stowell) has followed a strict set of rules, edicts that also inform the wisdom he imparts

The story of young Leroy Jethro Gibbs is predictable but comforting, a just-fine addition to the "NCIS" oeuvre.

NCIS: Origins is part of the NCIS universe that focuses on the Naval Criminal Investigative Service (NCIS), so it can be confusing that Gibbs works for an organization called NIS in the prequel series.

When the case involves a missing girl, Gibbs will stop at nothing to find her in NCIS: Origins season 1, episode 4. Take a look at what to expect in the new episode.