The archangel and the alpha werewolf, two men from rival species, an everlasting forbidden love. A father and a son, estranged for eighteen years and reunited by fate. Amidst bigotry and racism, Ludwig and Quintilius have been in love for almost two thousand years. Yet, their relationship is put to the ultimate test when Ludwig is named archangel, and he must decide between Quin and his brethren. Lupo is a young, misguided werewolf in search of an identity and full of anger. Seeking to secure his position among the Reds, the most feared street gang in Rome, he commits himself to a life of crime, only to find love where he least expected. One morning, after rescuing a vampire from a vicious werewolf attack, Ludwig makes a discovery that will link Quintilius's and Lupo's lives forever. But despite their good intentions, love and happiness aren't in sight for the three men, while vampires, werewolves, and angels plot against them.