The Tunnel: Season 1

Season overview

Task: Create a JSON object for "The Tunnel" Season 1.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented details. No markdown. No asterisks. No headings. No bullet points (in the overview, but the primer is an array of strings). Output valid JSON only.
Tone: Meticulous archivist, neutral, encyclopedic prose.
Source [1]: Title: The Tunnel (2013). Genre: Action & Adventure, Crime, Drama, Mystery. Characters: Karl Roebuck, Elise Wasserman. Plot: Detectives Karl Roebuck and Elise Wasserman working together to find a ser[ial killer].
Source [2]: Irrelevant (Robert Towne obituary).
Source [3]: Locations: Folkestone and Calais. Characters: Karl Roebuck, Elise Wassermann. Plot: Investigating the death of a French politician. Shocking discovery at the crime scene leads to an uneasy partnership. Seeking a politically-motivated serial killer who draws them into his own person[al...].
Overview Construction:
The series The Tunnel follows detectives Karl Roebuck and Elise Wassermann as they investigate the death of a prominent French politician. The body is discovered on the border between the United Kingdom and France, presumably under the sea. The investigation takes place across Folkestone and Calais. Following a shocking discovery at the crime scene, the two detectives are forced into an uneasy international alliance and partnership. As the investigation progresses, the pair seeks to identify and apprehend a politically-motivated serial killer. This individual draws the detectives into his own personal agenda or motives. The narrative is categorized within the action and adventure, crime, drama, and mystery genres. The series was released in 2013 and is rated TV-14. The investigation requires the detectives to work together despite the complexities of the international setting and the nature of the crime discovered during their initial inquiry.
Word Count Check (Overview):
"The series The Tunnel follows detectives Karl Roebuck and Elise Wassermann as they investigate the death of a prominent French politician. The body is discovered on the border between the United Kingdom and France, presumably under the sea. The investigation takes place across Folkestone and Calais. Following a shocking discovery at the crime scene, the two detectives are forced into an uneasy international alliance and partnership. As the investigation progresses, the pair seeks to identify and apprehend a politically-motivated serial killer. This individual draws the detectives into his own personal agenda or motives. The narrative is categorized within the action and adventure, crime, drama, and mystery genres. The series was released in 2013 and is