Sin Undone

In this installment of the Demonica series, Sinead Donnelly, the only female Seminus demon and a master assassin, faces a new challenge after accidentally creating a deadly werewolf virus. Conall Dearghul, a half-werewolf, half-vampire, is tasked with capturing Sin, but their shared past and intense connection complicate the situation. As Sin becomes the underworld's most wanted, Conall discovers he may be the only one capable of saving her, risking everything in the process.