Cameo and the Highwayman, by Dawn McCullough-White, is the second book in her Trilogy of Shadows series.
Cameo, the hard drinking assassin with corpse-like eyes, Black Opal, the silver-tongued highwayman infamous for his prowess with a rapier, and Kyrian the innocent young acolyte journey to Shandow with a mission from Cameo’s vampire master. Along the way Cameo is ambushed by another vampire.
Black Opal is plunged into danger as his past is revealed, and he is forced to face his demons head-on. An old nemesis returns, and Cameo must make a choice that will cost her the last shred of humanity she has left.