When the daughter of a police officer is kidnapped in front of her younger brother, Jane and the team race to find the girl, fearing her abduction is connected to another case in which a young girl turned up dead only hours earlier.

A Revolutionary War re-enactment becomes the scene of a real killing when a soldier turns up dead. Maura's extensive knowledge of American history becomes important as she and Jane try to solve the case. And Maura's brilliant mother, Constance Isles, comes to Boston for an art exhibit.