Inseparable since childhood, Jack and Gin Rathbone inhabit a world of privilege and eccentricity into which no strangers are permitted. Until, that is, Jack falls passionately in love with Vera Savage: a flamboyant and reckless artist over ten years his senior. When the flee to New York City within weeks of meeting, Gin is forced to witness their relationship unfold from a bruised, bereft distance. But when Jack and Vera move to Port Mungo, a seedy town in the mangrove swamps of Honduras, Gin is afforded the opportunity to stake her claim to her brother's life once again.