One time police detective Peter Diamond loses his job as a security guard when he fails to spot a small Japanese child hiding in the furniture department of Harrods. But Diamond is unable to forget the frightened eyes of the silent little girl and takes on the challenge of uncovering her identity. Now Diamond is back in the sleuthing business, following a trail that leads from London to New York to Tokyo and to a shocking climax that may shatter his heart or cost him his life.