Arctic Circle: Season 3

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Arctic Circle" Season 3.
Constraints:
Use ONLY provided SYNOPSIS and SOURCES.
No invented titles, names, dates, counts, awards, ratings, etc.
If a detail is not in the material, omit it.
Output format: Valid JSON only (no markdown, no asterisks, no headings, no bullet points).
JSON Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Input Material:
TMDB Synopsis: Nina Kautsalo returns to Ivalo, investigates murder of a local pharmacist as chief of police. Attempt to hijack a top-secret test car. Murder investigation points to international car business.
Source [1]: Nina Kautsalo is a Finnish policewoman.
Source [2]: Set in Finnish Lapland. Nina Kautsalo found a dying prostitute in an old cabin in the wilderness; investigation involved a deadly virus.
Source [3]: Release date 2018.12.21.
Source [4]: Definition of Arctic.
Overview Content:
Nina Kautsalo returns to Ivalo.
She is now the chief of police.
She investigates the murder of a local pharmacist.
There is an attempt to hijack a top-secret test car.
The murder investigation leads toward the international car business.
Setting: Finnish Lapland (from Source 2).
Word Count Check: I need to expand this to 160-220 words using only the facts. This is tricky because the provided text is very sparse.
Wait, the prompt says "Write original, neutral, encyclopedic prose...". If the source material is too short to reach 160 words without inventing facts, I must be careful.
Let's look at the facts again:
1. Nina Kautsalo is a Finnish police officer.
2. She returns to Ivalo.
3. She is the chief of police.
4. She investigates a local pharmacist's murder.
5. There is a hijacking attempt of a top-secret test car.
6. The murder investigation points to the international car business.
7. The series is set in the polar region of Finnish Lapland.
Drafting Overview:
In the third season of Arctic Circle, Nina Kauts