Eliza Blake, co-anchor of the popular morning television show KEY to America, is present when the party is cut short by the host's sudden, macabre death and she's the first to discover that Pentimento is a giant "puzzle house". But each piece is leading Eliza and her KEY News colleagues, producers Annabelle Murphy, cameraman B. J. D'Elia, and psychiatrist Margo Gonzales, deeper into darkness toward a killer who believes that some puzzles must never be solve........