In New York City in 1872, fourteen-year-old Horace, a photographer's apprentice, becomes entangled in a plot to create fraudulent spirit photographs, but when Horace accidentally frees the real ghost of a dead girl bent on revenge, his life takes a frightening turn.

In 1859, eleven-year-old Elijah Freeman, the first free-born child in Buxton, Canada, which is a haven for slaves fleeing the American south, uses his wits and skills to try to bring to justice the lying preacher who has stolen money that was to be used to buy a family's freedom.