novel introduces us to the quiet yet ominous town of Valognes during the late Restoration period. As the town's residents hunker down against the elements, a mysterious figure—a man with an elegant old-world appearance—arrives. He is later identified as an abbé who has encountered the notorious Chevalier des Touches, described in a haunting manner that captivates those gathered in the parlor of the Touffedelys sisters. This encounter sets off a series of reflections on the past among the characters, who are bound by memories, loyalty to the Bourbon monarchy, and the scars of civil war, foreshadowing a deeper exploration of their intertwined fates as the mystery of the Chevalier unfolds. (This is an automatically generated summary.)