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.

Cast:David Mitchell, Anna Maxwell Martin, Dipo Ola, Ben Ashenden, Rumi Sutton, Dorothy Atkinson,

Genre:Mystery, Crime, Drama, Comedy,

country:United Kingdom,

Production:That Mitchell & Webb Company, Big Talk Studios, BBC,