Sara becomes acquainted with Thomas Carrisford, and Becky suffers the Headmistress's wrath until Lavinia reveals Sara's whereabouts. The Headmistress decides to retrieve Sara, by force if necessary. Solicitor Carmichael has prepared the legal paperwork to establish Sara as heiress of the diamond mines. The Headmistress is astonished[2] to learn that Amelia has threatened to expose her sister's running of the Seminary and Becky learns that Sara is coming back for her.