When Molly, a ten-year-old orphan, is arrested for picking pockets in London in 1731, she is banished to America and serves as an indentured servant for a New York City family that expects her to follow their Jewish traditions.

The story of the friendship that develops between two Jewish boys in New York City.

In early twentieth-century New York, Sacha Kessler's ability to see witches earns him an apprenticeship to the police department's star Inquisitor, Maximillian Wolf, to help stop magical crime and, with fellow apprentice Lily Astral, Sacha investigates who is trying to kill Thomas Edison, whose mechanical witch detector that could unleash the worst witch-hunt in American history.