House of the Sapphires

Mallory sees ghosts. But as a witch, she's worthless - so she and her sister make a living selling fake magic and giving tours of the mysterious house of Count Le Bleu, who is said to have killed his three wives. But suddenly his charming great-great-grandson Armand appears. When he offers the sisters a bundle of money to rid his country estate of Le Bleu's ghost, they can't resist. But then another murder occurs and Mallory finds she can't trust anyone - not even her own heart. I mean, he's after someone who might be a cold-blooded killer...