An Exciting Offer: Season 3

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "An Exciting Offer" Season 3.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown. No asterisks. No headings. No bullet points (in the text, though the JSON key primer is an array). Output valid JSON only.
Input Data:
TMDB Synopsis: Season 3 is about internship observation in a new sector: doctors. It follows a 40-day internship of medical school graduates in a Grade 3 hospital aiming to be excellent doctors. It shows their stories and efforts to get two "exciting offers".
Source [1]: First career reality show in China. Five male/three female law students.
Source [3]: Law students internship for a month under four lawyers. Vying for two full-time positions.
Overview (Season 3):
Season 3 of An Exciting Offer focuses on the theme of internship observation within the medical sector. The narrative follows a group of medical school graduates during a 40-day internship period. These graduates are working within a Grade 3 hospital with the shared ambition of becoming excellent doctors. The season provides a novel perspective by documenting the stories of these interns, which are details rarely known to the public. The central narrative arc revolves around their professional efforts and the challenges they face as they strive to secure two exciting offers. This season shifts the focus from previous themes to the specific experiences of medical professionals in training, highlighting their dedication and the realities of their work environment during their intensive internship.
Word Count Check (Overview):
"Season 3 of An Exciting Offer focuses on the theme of internship observation within the medical sector. The narrative follows a group of medical school graduates during a 40-day internship period. These graduates are working within a Grade 3 hospital with the shared ambition of becoming excellent doctors. The season provides a novel perspective by documenting the stories of these interns, which are details rarely known to the public. The central narrative arc revolves around their professional efforts and the challenges they face as they strive to secure two exciting offers. This season shifts the focus from previous themes to the specific experiences of medical professionals in training, highlighting their dedication and the realities of their work environment during their intensive internship."
Count: ~125 words.
Wait, the requirement is 160-220 words. I need to expand using only provided facts.
Expanding Overview:
The third season of the reality series An Exciting Offer centers