It's 1715, and the Spanish galleon the San Miguel, having left Havana on her way back to Spain, is caught in a sudden and overwhelming hurricane. Black water rushes across her wooden decks as Isabella Rojas and her six children hold on for dear life and pray that God is listening. But God is not. Fearing death, Isabella binds each child around the waist to a knotted rope, hoping to save each, but all are swept overboard. One by one, each child...