Revenant: Season 1

Season overview

Topic: Revenant Season 1.
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown. No asterisks. No headings. No bullet points (in the overview, but the primer is an array of 4 concise bullet points/strings).
Output Format: Valid JSON only.
JSON Keys:
overview: 160-220 word factual summary.
primer: Array of exactly 4 concise strings summarizing essential previous lore, character positions, and stakes.
Source [1]: Revenant (2023). Gu San-yeong is possessed by an evil spirit after receiving a relic of her dead father. She meets Yeom Hae-sang, a folklorist who can see ghosts and spirits. They enter a different world. "A woman possessed by an evil spirit and a man who can see evil spirits uncover the secrets."
Source [2]: Revenant (TV Series) (2023). Director: Lee Jung-rim. Screenwriter: Kim Eun-hee. Producer: Seoul Broadcasting System. Genre: Drama, Thriller, Fantasy. "Outside the door is a different world. When you open the door, there is a demon there. This is an occult mystery."
Source [3, 4, 5]: The Revenant (2015 film). Irrelevant to the 2023 TV series.
Overview Construction:
Gu San-yeong becomes possessed by an evil spirit following the receipt of a relic belonging to her deceased father. This possession leads her into a world fundamentally different from the one she previously knew. In her journey, she encounters Yeom Hae-sang, a folklorist who possesses the ability to see ghosts and spirits. Together, the woman possessed by an evil spirit and the man who can see evil spirits work to uncover secrets. The series, released in 2023, is a South Korean production directed by Lee Jung-rim and written by Kim Eun-hee. Produced by Seoul Broadcasting System, the show is categorized within the drama, thriller, and fantasy genres, functioning as an occult mystery. The narrative explores a reality where opening a door can reveal a different world containing a demon. The central plot focuses on the interaction between the possessed woman and the folklorist as they navigate this supernatural landscape to uncover hidden truths.
Word Count Check (Overview):
"Gu San-yeong becomes possessed by an evil spirit following the receipt of a relic belonging to her deceased father. This possession leads her into a world fundamentally different from the one she previously knew. In her journey, she encounters Yeom Hae-sang, a folklorist who possesses the ability to see ghosts and spirits