Isis Levy is a recent graduate returning to her home in Glastonbury, in order to figure out where her life might go next, and to see her mother and sisters again. The catch? Isis is the only non-witch of the family, making her feel alienated even from the most familiar household. When ominous forces start interfering with her sisters' lives, Isis must find a way of breaking down the walls that have cut her off from the family, before something devastating happens to them.