In this nineteenth-century mystery, a spunky girl strives to decipher a code in order to recover her family's lost fortune. No one ever talks about Hattie's grandfather, who's been hidden in the Utica Insane Asylum ever since he squandered Grandmother's fortune and started hearing voices in the walls. When a telegram arrives with news of Grandfather's death, old wounds are reopened and financial ruin looms once again. But it's not until Hattie intercepts...