Frederick Fitzell is living his best life—until he starts having horrific visions of Cindy, a girl who vanished in high school. After reaching out to old friends with whom he used to take a mystery drug called Mercury, Fredrick realizes the only way to stop the visions lies deep within his own...
At an elite boarding school for girls, six friends jokingly engage in a late night ritual, calling forth the spirit of a dead former student who reportedly haunts their halls. Before morning, one of the girls is dead, leaving the others wondering what they may have awakened.