"The Dagger" is the first in a mystical, magical series featuring three generations of powerful, headstrong witches from the Madigan family. The family struggles to work together to keep a centuries-old promise. One leg in the real world, one in the magical, Bridget Madigan is a young detective working in Boston. Even though she has sworn never to use magic again, she caves to watch a flashback from the murder. She never dreamed her findings would implicate her own blood.