John Taylor lives in quiet solitude, designing puzzles for a living, under the nom-de-plume of 'Ludwig'. When his identical twin, James, disappears off the face of the earth, John takes over his brother's identity in a quest to discover his whereabouts.
David Mitchell
Anna Maxwell Martin
Dipo Ola
Gerran Howell
Izuka Hoyle
Dorothy Atkinson
Sophie Willan
Dylan Hughes
Ralph Ineson
