The Essence of Malice

Milo Ames and Amory travel to Paris after receiving a troubling letter from Milo's childhood nanny, Madame Nanette, leading them into a mystery surrounding the sudden death of a renowned parfumier, Helios Belanger. As they investigate motives involving industry rivals and the Belanger heirs, they begin to suspect that the death may not have been natural. With secrets unraveling and danger looming, they race against time to uncover the truth and identify the killer before the mystery goes cold.