In 1817 a teenage brother and sister are relieved from the abuses of Newgate Prison in London by the prison reform efforts of Quaker minister Elizabeth Fry.

Jova, a seven-year-old Kru boy in Liberia and a captive slave of his people's enemy the Grebos, witnesses the dramatic conversion to Christianity of the Kru prince Kaboo and his subsequent disappearance; seven years later, in 1893, Jova sails to America to find Prince Kaboo and bring him back to rule his people.

In 1843, twelve-year-old Perrin joins his aunt and uncle, well-known missionaries Dr. Marcus and Narcissa Whitman, in the Oregon Territory where they live with the Nez Perce and Cayuse Indians.

Sarah tries to smuggle a New Testament into England in order to save the life of William Tyndale, a man imprisoned for translating the Bible into English.

When her family moves to Daytona, Florida, from Statesboro, Georgia, after the Ku Klux Klan burns down her father's business, eight-year-old Celeste Key becomes one of the first students at Mary Bethune's new school for African-American girls.

When her best friend Ida moves to China with her missionary parents in the late 1800s, Mollie receives letters from her, including tales of Lottie Moon, a groundbreaking female missionary.

When her best friend Ida moves to China with her missionary parents in the late 1800s, Mollie receives letters from her, including tales of Lottie Moon, a groundbreaking female missionary.

In 1888, change arrives in a small village in Calabar, Nigeria in the form of a courageous missionary named Mary.