After moving from her home in Haiti to her uncle's home in Brooklyn, ten-year-old Gabrielle, feeling bullied and out of place, makes a misguided deal with a witch.
After thirteen-year-old Hattie Oh casts a dangerous spell so her adopted sister, Riley, will get a share of her inherited magic, Riley must undertake a near-impossible quest to save Hattie from death.--
Eleven-year-old Rupert cannot resist applying to an advertisement to be a witch's apprentice, but quickly finds himself over his head with the young witch-in-training who desperately needs his help.