A serial imposter pretends to be an aristocrat and Rockefeller heir. When bones are dug up behind a house in an affluent California community, police want to know who Clark Rockefeller really is.

A surgeon with a seemingly perfect home life, Dr. Toni Henthorn dies while hiking with her husband during a romantic weekend getaway; investigators ask whether Henthorn was the victim of an accident or the target of a black-hearted master plan.