S6·E23 Legend (2)

Episode recap

Task: Write a 280-380 word episode recap for NCIS S6E23 (Legend (2)).
Constraints: Use only verifiable facts from the provided SYNOPSIS and SOURCES. No invented details, no guessing, no markdown, no headings, no bullet points. Neutral, encyclopedic prose.
Target Length: 280-380 words.
Provided Synopsis: "With the appearance of Mossad agent Michael Rivkin, Tony is forced to question Ziva’s loyalty to NCIS."
Provided Sources:
[1] TMDB overview: NCIS (2003), TV-14, Crime, Drama, Action & Adventure.
[2] IMDb: Created by Donald P. Bellisario, Don McGill. Stars Sean Murray, David McCallum, Mark Harmon, Brian Dietzen. Follows Major Case Response Team investigating cases connected to US Navy and Marines Corps.
[3] TMDB Season 1 Cast: Mark Harmon (Gibbs), Michael Weatherly (Tony), Sasha Alexander (Caitlin Todd).
[4] Wikipedia: Title history (Navy NCIS -> Naval Criminal Investigative Service -> NCIS).
[5] Moviefone: Stars Mark Harmon (Gibbs), Sean Murray (McGee), Michael Weatherly (Tony DiNozzo). Premiered on CBS in 2003.
Episode: NCIS Season 6, Episode 23, "Legend (2)".
Plot point: Mossad agent Michael Rivkin appears.
Conflict: Tony questions Ziva's loyalty to NCIS due to Rivkin's appearance.
The synopsis is extremely brief: "With the appearance of Mossad agent Michael Rivkin, Tony is forced to question Ziva’s loyalty to NCIS."
The sources provide general series information (cast, creators, premise, title history) but nothing else about the specific episode's plot.
The word count requirement is 280-380 words.
Problem: If I only use the provided facts, I cannot reach 280 words without repeating myself or adding non-existent information. The prompt says: "If the synopsis is sparse, stay concise rather than guessing." and "Use only supplied facts. Never add dialogue, scene order, character names or plot events not explicitly present."
If I follow the instruction "If the synopsis is sparse, stay concise rather than guessing," I will fail the "280-380 word" instruction because there simply aren't enough facts to reach that length.
However, as an archivist, I must prioritize accuracy and the "only verifiable facts" rule. I cannot invent a plot to hit a word count.
Wait, I can include the series context provided in the sources to build the "encycl