A look at the lives of young FBI recruits training at the Quantico base in Virginia when one of them is suspected of being a sleeper terrorist.

Former NYPD detective and forensic genius Lincoln Rhyme was at the top of his game until a serious accident at the hands of a notorious serial killer forced him out of the field. When Amelia Sachs, an intuitive young officer who has a gift for profiling, finds herself hot on the killer's trail, Rhyme finds a partner for this new game of cat and mouse.