Swordsman Richard Hughes has arrived on the banks of the Grand Canal looking for a simpler life, only to be plunged—alongside Phillip de Chambray, a remarkable woman unable to show her true self—into the thick of the murkiest, most dangerous European politics, at a moment when someone is trying to destroy the opera, and Venice itself.

It's 1911, and war is brewing across Europe. However, Melody Chesterton, an independent young woman with her own fortune, has more important things on her mind. Melody is determined to do more with her life than marry well; she wants exciting escapades with perhaps some romance sprinkled in along the way. Chaperoned by her older brother, Rat, who secretly works for Britain's newly formed Secret Service Bureau, Melody sets off for the first stop on her Grand Tour of Europe, Venice.

At the start of a new century, a shocking murder transfixes Manhattan, forcing bitter rivals Alexander Hamilton and Aaron Burr to work together to save a man from the gallows. Just before Christmas 1799, Elma Sands slips out of her Quaker cousin’s boarding house—and doesn’t come home. Has she eloped? Run away? No one knows—until her body appears in the Manhattan Well. Her family insists they know who killed her. Handbills circulate around the city accusing a carpenter named Levi Weeks of seducing and murdering Elma. But privately, quietly, Levi’s wealthy brother calls in a special favor.

1938, London. The four queens of British crime fiction, Agatha Christie, Dorothy L. Sayers, Ngaio Marsh, and Margery Allingham, are hosting a gala to raise money for the Women’s Voluntary Service to help Britain prepare for war. Baronet Sir Henry Heathcote has loaned Hursley House for the event, and all the elites of London society are attending. The gala is a brilliant success, despite a few hiccups, but the next morning, Sir Henry is found dead in the library. Detective Chief Inspectors Lilian Wyles and Richard Davidson from Scotland Yard are quickly summoned.

When Ingrid flees a violent husband to become a housekeeper in the Scottish Highlands, she discovers the family she works for has a much darker history than her own. Who haunts Strathbairn? Why are the adult McCleod children at each other’s throats? And why does the youngest sneak off at night? As Ingrid searches for answers, she grows ever more fearful that her husband will track her down. Set in late 19th century Scottish Highlands, WHAT HAPPENED AT THE ABBEY is a gothic mystery brimming with intrigue, ghostly drama, and family secrets.