A doppelganger is known in modern slang to mean a person that looks like another, usually a celebrity. In the old meaning, however, a doppelganger is a death omen. To see it means death lurks around the next corner. When a patient is admitted to the hospital scared of herself, her death leads to a creature remaining behind in the hospital that wishes for the death of the two that denied it the fun it craved. Can Clint and Cailynn figure out exactly what a doppelganger is, what this one wants, and come out of the final battle whole?"