The American successful architect Michael Lewis travels to London with his partner and friend, the builder Jake, to refurbish an old hotel. Michael is having successive nightmares, and once in London, he realizes that twenty-one spirits are trying to contact him to solve murders of a serial killer. Michael, with the support of Jake, Detective Pryce and the ghosts, try to avoid the ninth crime and find the serial-killer.

• Sky Productions
• 20th Century Fox Television
• Andrew McCarthy
• Kevin Tighe
• Amanda Redman
• Jessica Oyelowo
• David Roper
• Honor Blackman
• Alexander Armstrong
• Julian Firth