When beloved mystery writer Theodora Whimple disappears from the seaside village of Pelican Bay, California, her grandniece K.C. Keegan, publisher of the small town's newspaper, sets out to find her. The trail leads to the sun-drenched Napa Valley, where K.C. joins forces with Sheriff Elliot Gavin, an old flame. When they discover the Angels Crest vineyard is a front for a New Age cult, K.C. and Gav don hooded robes and infiltrate the cult in search of Theodora. But will their daring escapade entangle them in a sinister web of power and intrigue from which there is no escape?