(AS GIBBS) You've got one. GIBBS: Search the rest of the house. I've dealt with the two possible threats on base, and...
TONY: If by dealt you mean gunning down two defenseless housewives? MUSIC IN:
EXT. Marine wives. There are a lot of possibles. They alternated paying. Try to locate relatives from Korea. We are. What was that for? ZIVA: Not if I'm a sleeper, McGee.
Plan: A: Two; Q: How many Marine wives were found dead in a house? A: Korea; Q: Where were the Marine wives originally from? A: NCIS; Q: What agency searches for the killer? A: North Korea; Q: Where did the sleeper cell have links to? Summary: Two Marine wives, both originally from Korea are found gunned down in a house. As NCIS searches for the killer, they discover that the one remaining woman and the two victims are part of a sleeper cell with links to North Korea.