Davey and Derek Donato are at it again in this new book. In this case they come across a brown scraggly dog with blood on its paw but when the boys try to stop the dog, it runs away.Aunt Gigi is here once again to assist the boys with their magic and provide some new spells.Clues surface that suggest that someone may be injured and in need of help. The boys will have to use their skills and a little magic to solve this case.