When Cassie sees a woman lying stabbed to death who looks exactly like her, with an ID that matches the identity she used for years as an undercover detective, it seems clear that she is looking at her own doppelganger.
- The dictionary describes a doppelganger (or
doubleganger, from the German for 'doublegoer' or
lookalike) as a ghostly double or counterpart of a
living person. In the vernacular the term has come to be
used more loosely to describe any sort of double.
- The doppelgangers of folklore are said to have no
shadows or reflection (similar in some ways to
vampires). They are inevitably bad news, being either
malicious or a bad omen, often heralding death or a
- Doppelgangers appear quite frequently in fiction. R. L. Stevenson's Strange Case Of Dr. Jekyll and Mr. Hyde and Oscar Wilde's Picture of ...