Althalia Cabrera has spent her entire life learning her family's magic, but she is not yet ready to wield it as her own. Ready or not, that's exactly what she has to do now that her beloved abuela has died after a bizarre encounter with a priest. Truly alone for the first time in her life, and devastated by grief, Althalia is tempted by darker forces to boost her powers in an attempt to pull Isadora back from the afterlife.