Apollo’s official title is Keeper of the Lore, but the truth is that he deals in more secrets than anyone. And now that a new enemy has taken up residence in Olympus, Zeus turns to Apollo to find answers. Cassandra Gataki is a member of a fallen house, and no one in Olympus’s glittering upper city lets her forget it. She’s forever skating the edge of power while fighting not to get too close, lest she make the same mistakes her parents did. When her boss, Apollo, comes to her with an invitation to accompany him to a week-long house party hosted by the new power player in Olympus, Cassandra turns him down flat. Then Zeus commands Apollo and Cassandra to find answers, no matter what it takes. As the week progresses, real sparks fly in their fake relationship. But if their host finds out their true purpose, the least of Cassandra’s worries will be a broken heart…