The "Secret Circle" series follows 16-year-old Cassie, who moves from California to live with her grandmother in Chance Harbor, Washington after her mother dies in a murderous fire. As soon as she arrives strange things begin to happen to her. She is eventually told by her "new friends" that her family is part of a legacy. One of 6 families of witches. Now that she is in Chance Harbor she completes the circle making them all very powerful. The real sinister plot in the series are the parents of the teenagers who have an agenda of their own.