THE LEDGER OF BROKEN OATHS

Act I

Ezekiel Thorne did not believe in luck. He believed in columns, in rows, in the clean arithmetic of mortality tables and premium calculations. At twenty-two, he was the youngest actuary ever appointed at the Lloyd's Insurance Association, a title he wore with the quiet confusion of a man who has been handed a key to a door he does not fully understand.

The Association occupied three floors of a black-brick building in the City of London, a structure so old that the floorboards in the main hall groaned with the weight of centuries. Ezekiel's office was on the second floor, a small room with a window that overlooked a narrow alley where the fog never fully lifted. From that window, he could watch the rain fall on cobblestones and think about probability—the chance that a man would slip and break his leg, the chance that a ship would not return from the Cape, the chance that a working-class father in Manchester would die of consumpt