But her actions set in motion an incredible feat of bravery that echoes down the century.

1938: when nineteen-year-old Matilda Emmerson sails across the Atlantic to New England, she faces an uncertain future. Staying with her reclusive relative, Harriet Flaherty, a lighthouse keeper on Rhode Island, Matilda discovers a discarded portrait that opens a window on to a secret that will change her life forever.