"John Alves, son of a famous Presbyterian martyr on the Portuguese island of Madeira, spends his childhood in jail and in poverty. When he meets Mary Freitas--though the adopted daughter of a master botanist, her true lineage is the subject of dangerous rumor--a spark kindles a lasting bond. But soon their families must confront the rising blood tide of warfare between Catholics and Protestants. Fleeing with only what they can carry, John and Mary...