In 1866, a fourteen-year-old orphan reluctantly joins the crew of a missionary ship leaving Australia, but when a hurricane strands him on a South Sea island and he is captured by slave traders, he finds the courage to trust in God.
In 1854, a group of children who come from different circumstances to the Children's Aid Society in New York come under the care of Rev. Charles Brace, who eventually finds homes for them in Cowagiac, Michigan.
In 1906, while visiting his journalist uncle in California, thirteen-year-old Jerry hears the San Francisco earthquake predicted at preacher William Seymour's Pentecostal mission, sees the ensuing destruction, and learns the power of the Holy Ghost.
When his father tries to save the family farm in Alabama in 1898 by following the advice of George Washington Carver, fourteen-year-old Jesse struggles to help in his own way.
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.
After coming to China to work as a missionary in the early 1930s, Gladys Aylward adopts several orphans and tries to save nearly a hundred more during the war between China and Japan.
Gilbert Hamilton is left alone on the frontier when his father is killed and his mother is kidnapped by Sauk Indians during the War of 1812. Haunted by memories of his mother, Gil attends a camp meeting led by Peter Cartwright, a Methodist circuit-rider evangelist. Cartwright allows the boy to move with his family to Illinois, where Gil can begin the search for his mother.