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.
John 'Ludwig' Taylor / James Taylor
Lucy Betts-Taylor
DI Russell Carter
DC Ethan Cole
DC Caitlin Sullivan
DCS Carol Shaw
Henry Betts-Taylor
Chief Constable Ziegler
Gerran Howell
Joanne Kemper MP
