The quiet, if dull town of Chumley-by-Eck is the home of the blood sausage making industry. So it's the perfect place for blood-sucking vampires to begin their invasion... Only eleven-year-old Claire Whimsy and her friend, Jason Turner, know what's going on - because their families are the first who come under the Blodvats' evil spell. Though outwardly charming, Bruno and Hildegard Blodvat have arrived in town with some very bizarre paraphernalia in the back of their hearse-like Mercedes. From the moment of their arrival, strange things begin happening in Chumley. And soon spread right across the country...