S6·E21 Black Hearts

Episode recap

Task: Write a grounded 280-380 word episode recap for The Mentalist S6E21 (Black Hearts).
Constraints:
Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, etc.
No guessing or inventing plot points.
Original, neutral, encyclopedic prose.
Plain text only (no markdown, no asterisks, no headings, no bullet points).
Word count: 280-380 words.
Synopsis: Jane and Lisbon zero in on the criminal enterprise's mastermind to save victims of a kidnapping ring before they are transported overseas. Lisbon decides if she will move to D.C. with Agent Pike.
Source [1]: Series title: The Mentalist. Patrick Jane is a former celebrity psychic medium.
Source [2]: Series ran from September 23, 2008, to February 18, 2015. 151 episodes over seven seasons on CBS.
Source [3]: Patrick Jane uses observation and expertise at "reading" people to solve crimes with the California Bureau of Investigation.
Source [4]: Cast includes Simon Baker, Robin Tunney, Tim Kang, Owain Yeoman.
Source [5]: Patrick Jane is a fake psychic. He works with police to find "Red John," who killed his family.
The synopsis is very brief. It mentions:
Jane and Lisbon are working to save kidnapping ring victims.
They need to act before victims are transported overseas.
They are targeting the mastermind.
Lisbon is deciding whether to move to D.C. with Agent Pike.
The sources provide context about the characters:
Patrick Jane (played by Simon Baker) is a former celebrity psychic medium who uses observation and reading people to solve crimes with the California Bureau of Investigation.
He is a fake psychic looking for Red John.
Lisbon (played by Robin Tunney) is a character in the series.
Agent Pike is mentioned in the synopsis.
Constraint Check: The user wants 280-380 words. The provided synopsis is extremely short (about 40 words). The sources provide background but no specific details about the plot of S6E21 other than what is in the synopsis.
Problem: If I only use the provided facts, I cannot reach 280-380 words without repeating myself or adding fluff, which violates the "neutral, encyclopedic prose" and "never invent or guess" rules.
Strategy: I must expand on the context provided by the sources (who the characters