Amid the 80,000 abandoned buildings in Detroit, a battle shrouded in secrecy is brewing. The Greek Olympian, Ares, runs the city as his own personal Coliseum while Apollo and Hermes struggle to shield teens from his deadly hobbies. Ares endless supply of gladiators is all the more accessible because the abandoned buildings of Detroit have become the flame for moths of ravers, vandals, scavengers, and urban explorers. The key to the entire conflict, Calliope, is just hoping for a fresh start now that her lifelong crush has finally noticed her. Although hoping for a fresh start in Detroit, is like saying you’re going to Las Vegas in search of true love. She soon catches the notice of one of the Immortals that recognizes her for what she is: a Night Muse. A Muse is a human that carries the soul of an Olympian within her, which gives the god immense power. Until Calliope reaches adulthood and awakens as a Bright Muse, there is no way to determine who her soul mate is. The Immortals start to draw Calliope and the people she loves into a deadly chess match. With her best friend’s life at stake, Calliope must seize control of her destiny and eliminate the deadly threat herself.