Strange things happen when twelve-year-old Sarah is alone in the house with Great Aunt Margaret, who appears to be the victim of a ghost seeking revenge for a death in the past.
Vannie tries to make the best of things when she and her dog Muffy are left with her cranky great-aunt on an old farm in Ohio while Vannie's parents go to California to look for work.
While visiting his friend Jeannie's eccentric Aunt Rosebud in a boarding house that may be haunted, ten-year-old Chad comes across a mystery involving a missing diamond bracelet.