Hidden in the depths of eighteenth-century London, a secret apothecary shop caters to an unusual kind of clientèle. Women across the city whisper of a mysterious figure named Nella who sells well-disguised poisons to use against the oppressive men in their lives. But the apothecary's fate is jeopardized when her newest patron, a precocious twelve-year-old, makes a fatal mistake, sparking a string of consequences that echo through the centuries. Meanwhile...

"Following a long and perilous journey, Apothecary John Rawlings has arrived in Boston, Massachusetts, to pursue a new business venture. He finds the place riven with tension and unrest. There are many who feel it's time the colonies sought freedom from British rule, and the seething resentment erupts into outright rebellion during the notorious Boston Tea Party. But has someone taken advantage of the chaos to commit cold-blooded murder? Called in...