Marvel's Iron Fist: Season 1

Season overview

Role: Meticulous television and film archivist.
Task: Produce a JSON object for "Marvel's Iron Fist" Season 1.
Keys: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints:
Use ONLY provided SYNOPSIS and SOURCES.
No invented/guessed titles, names, dates, counts, awards, ratings, etc.
No markdown, no asterisks, no headings, no bullet points in the prose (though primer is an array).
Output valid JSON only.
overview must be 160-220 words.
primer must be exactly 4 concise bullet points.
No spoilers in the overview (implied by "Do not invent plot events or spoilers" and the instruction to use provided material).
[1] TMDB: Danny Rand resurfaces 15 years after being presumed dead.
[2] Wikipedia: Created by Scott Buck for Netflix. Based on Marvel Comics character. Set in MCU. Fourth Marvel Netflix series.
[3] TMDB Cast/Crew: Danny Rand resurfaces 15 years after being presumed dead. With power of Iron Fist, seeks to reclaim past and fulfill destiny.
[4] Marvel.com: Mentions betrayals in Season 1 (no specific plot details).
[5] Simkl: 15 years ago, billionaire Rand family private jet crashed in the Himalayas. Danny Rand was the lone survivor. Returns to NYC as the Immortal Iron Fist.
Drafting content:
Danny Rand, the lone survivor of a private jet crash in the Himalayas that occurred fifteen years ago, has mysteriously returned to New York City. The crash, which involved the billionaire Rand family, resulted in Rand being presumed dead for over a decade. Now resurfacing with the power of the Iron Fist, he is determined to reclaim his birthright and his family company. As he seeks to reclaim his past and fulfill his destiny, he must navigate a complex landscape. A long-destined enemy rises in New York, presenting a significant challenge to the man known as the Immortal Iron Fist. This situation forces a choice between protecting his family's legacy and fulfilling his duties as the Iron Fist. The series, created by Scott Buck for Netflix, is set within the Marvel Cinematic Universe and serves as the fourth Marvel Netflix series. As Danny Rand attempts to navigate his return, the narrative involves various betrayals and underhanded deals. He must balance his identity as a living weapon with the responsibilities of his heritage while facing an adversary that has been destined to encounter him.