Caius fights through brutal coliseum arenas where human half-bloods are treated as disposable fodder by ruling beast lords. Desperate to obtain rare elixirs for his ailing mother, he signs an unbreakable sworn pledge to serve as personal shield to Prince Zeno, an isolated serpent royal burdened by childhood trauma and court hostility.
Guarding the reclusive prince against poisonous palace intrigues, Caius discovers profound vulnerability behind Zeno's venomous exterior. As the manipulative queen dowager plots a bloody coup to exterminate lower castes, Caius and Zeno forge an unyielding alliance that defies ancient social barriers. Caius must breach the throne room to topple the corrupt dynasty before assassins eliminate his royal master.
