S7·E11 Disarm

Episode recap

Task: Write a 280-380 word episode recap for Grey's Anatomy S7E11 (Disarm).
Constraint 1: Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
Constraint 2: No invented titles, names, dates, episode counts, awards, ratings, box-office, viewership, or plot points.
Constraint 3: If a detail is not in the material, omit it.
Constraint 4: Write original, neutral, encyclopedic prose in plain text.
Constraint 5: No markdown, no asterisks, no headings, no bullet points.
Constraint 6: Word count target: 280-380 words.
SYNOPSIS: "A gunman opens fire at a local college, sending mass casualties to the hospital; Arizona's return is not warmly received."
SOURCES:
[1] General info: Grey's Anatomy follows the personal and professional lives of doctors at Seattle's Grey Sloan Memorial Hospital.
[2] General info: American television medical drama, debuted on ABC on March 27, 2005.
[3] Cast/crew credits link.
[4] Character names: Meredith Grey, Ellis Grey, Cristina Yang, Isobel "Izzie" Stevens, George O'Malley, Alex Karev.
[5] General info: Meredith Grey is a surgical intern at Seattle Grace Hospital.
Episode title: Disarm.
Season/Episode: S7E11.
Plot point 1: A gunman opens fire at a local college.
Plot point 2: This event sends mass casualties to the hospital.
Plot point 3: Arizona returns.
Plot point 4: Arizona's return is not warmly received.
Setting: Seattle's Grey Sloan Memorial Hospital (from Source 1).
The synopsis is extremely brief.
The sources provide general series information but very little specific plot detail for S7E11.
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 inventing details.
Constraint Check: "If the synopsis is sparse, stay concise rather than guessing." and "Never invent or guess... plot points."
Conflict: The user wants 280-380 words, but the provided text only contains about 30 words of actual plot information.
Decision: As a "meticulous television and film archivist," I must prioritize accuracy and the instruction "If a detail is not in the provided material, you omit it rather than guess