J-001
Canon
James Taylor is missing
James is a Cambridge DCI, John's identical twin and Lucy's husband. His disappearance triggers the investigation.
- Source
- Series 1 · Episode 1
- Confidence
- High
Episode-linked records
The James Sources
Every entry has an identifier, source point, evidence class and confidence level. Plausible speculation stays in its own evidence bag.
Spoiler level: Series 2, Episode 3Last checked 31 August 2026
Reviewed 6 September 2026 · Sources & corrections
Evidence constellation
The James guides is not a straight line
Confirmed events anchor the board. Objects, claims and unanswered questions orbit them at different levels of confidence.
J-001James missingCanon
J-002John substitutesCanon
J-003Notebook + cipherEvidence · intent open
WitnessLucy’s knowledgeCanon + testimony
J-004/5Role changesCanon
Q-001What did James know?
Q-002Who is reliable?
Q-003What remains hidden?
Illustrated episode guide
The long mystery, made tangible
A notebook, fictional city map, coded marks and red thread turn an abstract Sources into something readers can inspect emotionally as well as analytically.
Original compositionNo actor likenessesClearly labelled
Directly established
Shown or stated in a released episode.
Traceable observation
Tied to a scene, prop, line or official source.
Not a factual claim
A possibility still requiring evidence.
J-002
Canon
John assumes James's identity
John enters the station as James to obtain information, then becomes entangled in real case work.
- Source
- Series 1 · Episode 1
- Confidence
- High
J-003
Evidence
The notebook and cipher matter
Material associated with James creates a structured trail rather than a disappearance with no clues.
- Source
- Series 1 · Episode 1 and continuing arc
- Interpretation
- James may have preserved information deliberately; precise intent remains under review.
J-004
Canon
The original impersonation ends
The Series 1 finale changes John's relationship with the police world.
- Source
- Series 1 · Episode 6
- Spoiler handling
- Detailed mechanism withheld here
J-005
Canon
John returns officially
Series 2 begins with John working as a Crime Scene Consultant rather than solely through James's identity.
- Source
- Series 2 · Episode 1
- Confidence
- High
Q-001
Open question
What did James know?
The structure of the trail invites the question, but motive and intended recipient cannot yet be assumed.
- Needed
- A dated action, direct statement or corroborated link
Q-002
Open question
Who is reliable?
A line of dialogue proves that something was said—not necessarily that it is true.
- Ledger rule
- Corroborate claims with actions, documents or independent confirmation
Q-003
not yet recorded release
How far will Series 2 move the mystery?
Episodes 4–6 remain outside the current spoiler level. Preview copy is not evidence of an ending.
- Next review
- After each episode is released and checked
The James mystery
Follow only what the programme supports
Move between evidence, sequence, identity, character knowledge and carefully bounded theories.