Congressional staffer Kit Marshall is excited to attend a historic event displaying the contents of Abraham Lincoln's pockets the night he was assassinated at the Library of Congress. The next day, a senior librarian is dead and several invaluable artifacts are missing. Kit's husband Doug discovers the body and immediately becomes a suspect in the death and theft. Kit springs into action once again to figure out who is responsible for the crimes. Her sleuthing takes her to the DC Public Library, the National Portrait Gallery, Ford's Theatre, and the most ornate, beautiful rooms at the Library of Congress. At the end, Kit must put her own life on the line to retrieve her most valuable possession, which goes unexpectedly missing as she hunts down the killer.