He is Giles Denison of Hampstead. That he knows – but that is all. One morning he wakes up in an Oslo hotel, wearing another man’s pyjamas and with another man’s face.

          But this is only the beginning of a hair-raising adventure in which Denison finds himself trapped, with no hope of escape. One false move from him and everything will be over, the whole delicately balanced power structure between East and West will come toppling down….