Bad Girls: Season 6

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Bad Girls" Season 6.
Keys: overview (160-220 word summary), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invention/guessing. No markdown/asterisks/headings/bullet points in the prose (though the primer is an array of strings). Output valid JSON only.
Content Source:
TMDB Synopsis: Season 6 starts after Yvonne's death (inmates think she escaped). Frances Myers (undercover detective) arrives posing as a prisoner. She exposes Natalie Buxton (child sex trafficker). Kris Yates finds Yvonne's body. Jim Fenner has a mental breakdown. Power struggles in Larkhall.
Source [5]: Mentions Tina thinks she is pregnant, asks Phyl and Bev to talk to spirits. Tina and Darlene are conned by Phyl and Bev into thinking Natalie made rhubarb hooch that poisoned inmates and killed Al McKenzie. Darlene attacks Natalie. (Note: This is from Episode 12, which is part of Season 6, but the prompt asks for a summary of the season's narrative arc based on the synopsis).
Overview Construction:
Season 6 of Bad Girls begins in the aftermath of Yvonne's death, a situation that has left the inmates under the impression that she successfully escaped. The narrative tension increases with the arrival of Frances Myers, an undercover detective who enters Larkhall by posing as a prisoner. Her presence causes significant disruption within G-Wing, particularly when she manages to expose the newcomer Natalie Buxton as a child sex trafficker. As the season progresses, the internal stability of the prison is further compromised. Kris Yates eventually discovers the body of Yvonne, a revelation that follows the initial belief of her escape. Concurrently, Jim Fenner experiences a mental breakdown, adding to the volatility of the environment. These events contribute to intensifying power struggles among the inmates and staff within Larkhall. The season explores themes of deception and shifting loyalties as the characters navigate the consequences of these developments. (Word count check: ~155 words. Need to expand slightly to hit 160-220).
Expanding Overview:
Season 6 of Bad Girls begins in the aftermath of Yvonne's death, a situation that has left the inmates under the impression that she successfully escaped. The narrative tension increases with the arrival of Frances Myers, an undercover detective who enters Larkhall by posing as a prisoner. Her presence causes significant disruption within G-Wing, particularly when she manages to expose the newcomer Natalie Buxton as a child sex trafficker. As the season progresses, the internal stability of the prison is