Married at fifteen, "in loneliness and lust" as she herself puts it, Isabel Keating accidentally kills her abusive husband six years later and is forced to flee 18th century Ireland disguised as a man. She boards the Bonaventure, a ship bound for America, only to discover, once she is on the high seas, that thanks to her ignorance of geography and the captain's greed, she is not on her way north to Boston, as she had intended, but south to the...