A forgotten magic. A mother's desperate bargain. A secret lost for centuries....

London, 1802. It has been twelve years since young Eliza Fanning leapt from a London bridge and lived to tell of it, twelve years since the hidden apothecary shop was locked up and left to gather dust. Now a grown woman, Eliza runs a shop of her own, selling potions to those desperate enough to turn to magic. Hidden amid her wares is a rare and powerful elixir capable of altering fate, reserved for only the most dire of circumstances. When Eliza's children are kidnapped and the elixir is demanded as ransom for their safe return, she embarks on a perilous journey to surrender it, only to discover it will cost her far more than she ever imagined.

Meanwhile in present-day London, archivist Gaynor Baymont is haunted by a tragic incident from her childhood, one that stole her memory and changed her life forever. When a two-hundred-year-old letter surfaces, it may finally unlock the truth about her past. Following its clues about a strange vial and a hidden tunnel, Gaynor sets out in search of the long-lost elixir. But she isn't the only one looking for it, and someone will stop at nothing to find it first.

Sweeping, suspenseful, and utterly transporting, The Lost Elixir is a spellbinding tale of motherhood, memory, and fate, and the lengths women will go to protect those they love.