John ‘Ludwig’ Taylor
A reclusive professional puzzle setter who is impersonating his missing identical twin, DCI James Taylor.
Episode 4
A builder named Martin falls from an upper floor and the site assumes it was an accident. John notices misplaced safety signs, water and altered equipment that suggest an elaborate trap. At home, the pressure of James’s disappearance is damaging Lucy and Henry’s relationship.
A reclusive professional puzzle setter who is impersonating his missing identical twin, DCI James Taylor.
James’s wife. She persuades John to enter the police station and investigates James’s disappearance from home.
James’s new police partner. He admires John’s results but has a private connection to Chief Constable Ziegler.
An ambitious and methodical member of the Major Investigations Team.
The youngest detective on the team, keen to learn and increasingly impressed by John.
The police IT consultant, whose access to private systems makes her both useful and difficult to read.
Lucy and James’s teenage son, who helps examine digital clues and knows John is impersonating his father.
A highly intelligent builder who owns one of Ludwig’s completed puzzle books.
The unpopular practical joker whose fall initially looks accidental.
Three clear stops for the murder puzzle and the mystery of James. Open only the last scene you have reached.
Hidden until you finish the episode.
Content note: Murder, violence, bereavement, family distress and mild strong language.