S1·E13 The Secret Agent

Episode recap

Task: Write a 280-380 word episode recap for Chicago Typewriter S1E13 (The Secret Agent).
Constraint 1: Use ONLY verifiable facts from the provided SYNOPSIS and SOURCES.
Constraint 2: No invented titles, names, dates, 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: Seol and Se-joo travel to the past and meet their past selves. After escaping a gunfight in Gyeongseong, Seol and Se-joo find out there is a secret agent hiding among the Joseon Youth Alliance. Jo Sang-mi continues her plot against Seol. Se-joo finds out Sang-mi's target is Seol, not him.
Sources:
[1] Title: Chicago Typewriter (2017). Genre: Sci-Fi & Fantasy and Drama.
[2] Cast: Yoo Ah-in, Lim Soo-jung, Go Kyung-pyo, Kwak Si-yang. Premise: Writers under Japanese rule in the 1930s are reincarnated into a bestselling writer in a slump, a mysterious ghostwriter, and a devoted fan.
[3] Cast/Premise: Similar to [2].
[4] 16-episode drama. Aired on tvN starting April 22, 2017. Directed by Park Shin-woo.
[5] Streaming info (irrelevant to recap).
Episode Title: The Secret Agent.
Characters: Seol, Se-joo, Jo Sang-mi.
Plot Points:
1. Seol and Se-joo travel to the past.
2. They meet their past selves.
3. They escape a gunfight in Gyeongseong.
4. They discover a secret agent is hiding within the Joseon Youth Alliance.
5. Jo Sang-mi continues a plot against Seol.
6. Se-joo learns that Sang-mi's target is Seol rather than himself.
Problem: The synopsis is very short. The word count requirement is 280-380 words.
Constraint Check: "If the synopsis is sparse, stay concise rather than guessing."
Conflict: The user asks for 280-380 words, but the provided synopsis only contains about 50