A passionate author, a gourmet editor, a stalking pianist, a depressed puppeteer, a seductive psychologist, a phantom lawyer, a mother-hen janitor, a poet optician... these are the protagonists of this suspense novel where lies and manipulation drive the plot with a thousand mysteries.

1989 - Somewhere in Normandy in a secluded house, Julia finishes writing her book entitled The Great Art of Petty Scams. One evening, the writer is the victim of a terrible accident that she does not survive. But was it really an accident? For behind the walls of the house and the surrounding area, a huge fraud was taking place and thriving. Had the author found out? Ten years later, Clémence, her daughter, is determined to discover the truth about her mother... and perhaps even her whole family.