Unforgotten: Season 2

Season overview

Role: Meticulous television and film archivist.
Task: Create a JSON object for Unforgotten Season 2.
Keys required: overview (160-220 words), primer (array of exactly 4 concise bullet points).
Constraints: Use ONLY provided synopsis and sources. No invented facts. No markdown/asterisks/headings/bullets in the text (except the array structure for the primer). Plain text prose. Valid JSON only.
Target: Season 2 of Unforgotten.
Synopsis: Remnants of a body found in a river. DCI Cassie Stuart and DS Sunny Khan investigate. David Walker disappeared in 1990 at age 34. Scraps of leads. Four people with connections to Walker and painful secrets. The case tests their relationship.
Source 1: London police detectives Cassie Stuart and Sunny Khan investigate historic cold cases involving missing persons.
Source 2: IMDb cast/crew link.
Source 3: British crime drama, aired on ITV on 8 October 2015, created/written by Chris Lang, directed by Andy Wilson.
Source 4: Cast includes Sanjeev Bhaskar, Carolina Main, Jordan Long.
Source 5: Cast includes Nicola Walker, Sanjeev Bhaskar, Sinéad Keenan, Peter Egan.
Overview (Goal: 160-220 words):
The investigation begins when the remnants of a body are discovered hidden in a river. DCI Cassie Stuart and DS Sunny Khan are tasked with managing this impossible investigation into a historic cold case. The case centers on David Walker, a man who disappeared in 1990 at the age of 34. As the detectives work through the investigation, they are left with only scraps of potential leads to follow. Through relentless work, Cassie and Sunny eventually identify four individuals who have a connection to Walker. Each of these four people possesses a painful secret that may have served as a motive for murder. These individuals represent the pieces of a jigsaw that the detectives must solve to uncover the truth. However, as the investigation progresses and they attempt to piece the picture together, the details become increasingly blurred. This specific case is noted for its complexity and is expected to test the professional relationship between Cassie Stuart and Sunny Khan in unexpected ways. The series follows these London police detectives as they navigate the intricacies of long-unsolved mysteries involving missing persons.
Word Count Check:
1. The 2. investigation 3. begins 4. when 5. the 6. remnants 7. of 8. a 9. body 10