Vivian, the trapped daughter of a ruthless vampire duke, and Roxy, a starving werewolf girl fighting to save her dying mother, share identical faces. The two 18-year-olds strike a reckless deal and swap lives. Vivian enters the brutal werewolf pack to fight corruption, while Roxy storms the vampire castle and defies ancient rules. Hunted by the cruel Inquisitor Eleanor, they soon uncover the shocking truth: they are mixed-blood twins separated in the vampire-werewolf war. A forged armistice letter fuels old hatred, plotting to ignite another bloody war. Now they must join forces, grab the primordial serum to save their mother, expose the traitors, and stop the slaughter before it tears their worlds apart
