After her mother dies in a passion, Cassie Blake goes in with her grandma in the little town of Chance Harbor, Washington. Strange and frightening things begin to come about as she must know her senior high school classmates. They all are descended from witches, plus they've been awaiting for Cassie to combine them complete a brand new creation of this Secret Circle.  What they do understand is Cassie's mother's death may not have been an accident and that darker powers are at play.