Being a shape-shifting demon might sound incredibly glamorous, but Georgina Kincaid's life is actually quite ordinary. She has a killer wardrobe and supernatural abilities, but her day job involves working at a local Seattle bookstore and taking orders from a middle-management demon boss. To make matters worse, she cannot even go on a normal date without accidentally draining her companion's life force. Her biggest frustration is Seth Mortensen, a bestselling author who frequents her bookstore. He is exactly the kind of guy she would love to get close to, but her succubus nature makes any real connection completely impossible. Before Georgina can figure out her complicated love life, a dark and dangerous force begins targeting the immortal creatures of Seattle's demon underground. Someone or something is taking out her supernatural peers one by one. Georgina must put her romantic frustrations aside and use all her wits and powers to uncover the culprit. The investigation will plunge her into a hidden world of danger, forcing her to confront a threat that terrifies both heaven and hell.