New England. 1648. The Piscataqua Settlement. A young woman has been found dead, her violated body stripped naked and thrown in a river. Her husband, a reclusive and learned man, has mysteriously halted his legal proceedings against the most likely suspect, who has disappeared into the wilderness. The settlement's elders call on a young Englishman, Richard Browne, to discover the truth about what happened. But the more he learns, the more puzzling the crime becomes, and the more he finds himself drawn to the wife of the missing suspect.

Geoffrey Frost, American sea captain and veteran of the China Trade, and Ming Tsun, his enigmatic mute friend, return in this latest installment of the highly literate and compelling saga of the American struggle for independence at sea. After a clash against well-armed British warships, Frost's ship, the privateer Audacity, must be laid up for repairs. Frost, however, is not the kind of man to sit idle for long, and when a new secret weapon invented by David Bushnell comes to light, he recognizes a rare opportunity to strike hard at the complacent English. Commanding the prototype submarine...