Two weeks after Princess Diana's death in Paris in 1997, an illegal Haitian immigrant named Mireille walks into Aimée Leduc's office, claiming that Aimée's late father was also her father. Before Aimée can learn more, Mireille disappears, leaving only a cryptic note with an address in the Latin Quarter where the indomitable Parisian detective finds the corpse of a well-dressed black man with his ear cut off.