 The American successful architect Michael Lewis (Andrew McCarthy) travels to London with his partner and friend, the builder Jake (Kevin Tighe), 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 (Amanda Redman) and the ghosts, try to avoid the ninth crime and find the serial-killer.