One victim, found dead on a London street. Four detectives, in four different time periods, must solve the mystery to protect Britain's future.
Jacob Fortune-Lloyd
Charles Whiteman
Shira Haas
Iris Maplewood
Amaka Okafor
Shahara Hasan
Kyle Soller
Alfred Hillinghead
Greta Scacchi
The Lady
Stephen Graham
Mannix
Strike
Life on Mars
Gangs of London
The Irregulars
Sherlock
Ripper Street
Miss Scarlet
Cross
The Agency
Black Doves
Above Suspicion
Emergence
