Having moved with her mother to the creepy town of New Salem, high school student Cassie encounters a group of teenagers who are terrorizing the entire school. As it turns out, they are part of an ancient and powerful clan of witches, which Cassie also joins by right of birth. She begins a new interesting life, full of secrets, witchcraft and... dangers. Cassie has to hide her feelings for Adam from everyone, because he is her best friend's fiancé. And then a conflict arises within the circle of witches - one of the girls, Fay, seeks to seize power over the others and acquire a powerful artifact - a skull with dark power. Faye blackmails Cassie, threatening to tell everyone about her love for Adam, and forces her to steal the skull...