I was born to kill the emperor, but first, I must marry him. I trained as an assassin while my twin sister trained to be the empress. My life will be forfeit once I murder the most powerful man on the continent, but I have no choice. If I fail, the Imperium will consume our nation and anyone who rises against them. Too soon, we walk into the glittering imperial court, each step taking us closer to the dangerous man on the black throne, my sister’s future husband, the newly crowned Emperor of the Southern Imperium.

Whisper doesn’t remember his real name. All he knows is the elite assassin guild that raised him—and controls him with the threat of blood magic. Plagued by nightmares, he doesn’t get to refuse assignments, even when his new job doesn’t make sense: infiltrate Prince Julien’s court, protect him until the signal arrives, then kill him.

Sascha has always felt powerless, the weak baby of a cruel family. But that’s fine. He has his looks, his ample allowance, and a smattering of one-night stands to keep him busy. But when Sascha’s oldest brother offends the wrong people, Sascha finds himself in hiding with a target on his back. And when poking around in his temporary home leads to accidentally summoning the hottest demon Sascha could ever imagine, he has to ask himself: does he want to feel powerless anymore?

Velasin vin Aaro never planned to marry at all, let alone a girl from neighboring Tithena. When an ugly confrontation reveals his preference for men, Vel fears he’s ruined the diplomatic union before it can even begin. But while his family is ready to disown him, the Tithenai envoy has a different solution: for Vel to marry his former intended’s brother instead.

Kadou, the shy prince of Arasht, finds himself at odds with one of the most powerful ambassadors at court - the body-father of the queen's new child—in an altercation that results in his humiliation. To prove his loyalty to the queen, his sister, Kadou takes responsibility for the investigation of a break-in at one of their guilds, with the help of his newly appointed bodyguard, the coldly handsome Evemer, who seems to tolerate him at best.