Every marriage has its secrets. Margot Bennett finds other people's for a living.
She's the one they bring in when two people tell two different stories about the same thing;the quiet expert who reads both versions and decides which one the record will keep. She is calm, exact, and very good at her work. She has always been good at staying calm. Now her own marriage is ending, and her husband Daniel has started lowering his voice on the phone. Stepping into the other room. Keeping the kind of secrets Margot knows intimately, because reading them is her whole profession.