In 1765, plague sweeps through Zacatecas. Alba flees with her wealthy merchant parents and fiancé, Carlos, to his family’s isolated mine for refuge. But safety...

In 1765, plague sweeps through Zacatecas. Alba flees with her wealthy merchant parents and fiancé, Carlos, to his family’s isolated mine for refuge. But safety proves fleeting as other dangers soon bare their teeth: Alba begins suffering from strange hallucinations, sleepwalking, and violent convulsions. She senses something cold lurking beneath her skin. Something angry. Something wrong.