The Forsyte Saga: Series 1

Season overview

Role: Meticulous television and film archivist.
Task: Create a JSON object for "The Forsyte Saga" Season 1.
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 overview, though the primer is an array). Output valid JSON only.
Target: Season 1.
Source [1]: Title: The Forsyte Saga (2002). Genre: Drama. Based on John Galsworthy's novel series.
Source [2]: British drama television serial. Chronicles three generations of the upper-middle-class Forsyte family from the 1870s to the 1920s. Based on John Galsworthy's novels.
Source [3]: Cast: Damian Lewis, Rupert Graves, Gina McKee, Amanda Root. Chronicles lives of three generations of upper-middle-class British family, the Forsytes, from 1870s to 1920.
Source [4]: British-American drama television serial. Based on John Galsworthy's novel series. Takes place 1870s to 1920s. Explores three generations of the upper-middle-class Forsyte family.
Source [5]: Epic series spanning three generations of the upwardly mobile Forsyte family at the turn of the 20th century.
TMDB Synopsis: Adapted from The Man of Property (1906), the interlude "Indian Summer of a Forsyte" (1918), and the novel In Chancery (1920).
Overview: I need to write a 160-220 word summary.
Problem: The provided sources do not contain a specific narrative arc for "Season 1" specifically. They describe the series as a whole. They mention the novels used: The Man of Property (1906), "Indian Summer of a Forsyte" (1918), and In Chancery (1920).
Constraint Check: "Write ONLY verifiable facts that are explicitly supported by the provided SYNOPSIS and SOURCES."
Constraint Check: "If a detail is not in the provided material, you omit it rather than guess."
Constraint Check: "Do not invent plot events or spoilers."
Wait: The prompt asks for "Season 1's narrative arc". The sources describe the