After her father's death in 1872, Faith takes over his job as lighthouse keeper on Lake Superior, until her mother decides to move into town, where Faith finds herself stifled by the role society expects her to play.
During the War of 1812, when British soldiers threaten the town of Scituate, Massachusetts, young Rebecca Bates and her sister Abigail, daughters of the local lighthouse keeper, find a way to save both him and the town.
In 1860 and 1861, while working in her father's lighthouse on an island off the coast of Delaware, fifteen-year-old Amelia records in her diary how the Civil War is beginning to devastate her divided state.
Will Woodman has a hard time getting anyone in his family to listen to him, so he turns to his grandfather, who, it turns out, has more terrible sob stories than Will.
A young girl listens as her great-aunt, a lighthouse keeper's daughter, tells of her childhood living on a Maine island, and of the infant that washed ashore after a storm.