1629: A newly orphaned young girl named Mayken is bound for the Dutch East Indies on the Batavia, one of the greatest ships of the Dutch Golden Age. Curious and mischievous, Mayken spends the long journey going on misadventures above and below the deck, searching for a mythical monster. But the true monsters might be closer than she thinks. 1989: A lonely boy named Gil is sent to live off the coast of Western Australia among the seasonal fishing community where his late mother once resided. There, on the tiny reef-shrouded island, he discovers the story of an infamous shipwreck.

Bridie Devine --- female detective extraordinaire --- is confronted with the most baffling puzzle yet: the kidnapping of Christabel Berwick, secret daughter of Sir Edmund Athelstan Berwick, and a peculiar child whose reputed supernatural powers have captured the unwanted attention of collectors trading curiosities in this age of discovery. Winding her way through the labyrinthine, sooty streets of Victorian London, Bridie won’t rest until she finds the young girl, even if it means unearthing a past that she’d rather keep buried. Luckily, her search is aided by an enchanting cast of characters, including a seven-foot-tall housemaid; a melancholic, tattoo-covered ghost; and an avuncular apothecary. But secrets abound in this foggy underworld where spectacle is king and nothing is quite what it seems.

Maud Drennan is a dedicated caregiver whose sunny disposition masks a deep sadness, as a tragic childhood event left her haunted. She keeps to herself, finding solace in her work and in her humble existence --- until she meets Mr. Flood. The lone occupant of a Gothic mansion, Cathal Flood has been waging war against his son’s attempts to put him into an old-age home. Maud is this impossible man’s last chance: if she can help him get the house in order, he just might be able to stay. So the unlikely pair begins to cooperate. Still, shadows are growing in the cluttered corners of the mansion, hinting at buried family secrets, and reminding Maud that she doesn’t really know this man at all.

Having been abandoned on the steps of an orphanage as an infant, lovable car thief and Dublin charmer Mahony assumed all his life that his mother had simply given him up. But when he receives an anonymous note suggesting that foul play may have led to his mother’s disappearance, he sees only one option: to return to the rural Irish village where he was born and find out what really happened 26 years ago. Determined to uncover the truth, Mahony solicits the help of brash anarchist and retired theater actress Mrs. Cauley. This improbable duo concocts an ingenious plan to get the town talking about the day Mahony's mother disappeared and are aided and abetted by a cast of eccentric characters, both living and dead.