[Siren Menage Everlasting: Contemporary Menage a Trois Parnormal Romance, MFM, vampires, HEA] Cass Williams, Mason Richland, and Barroll Myers were army brats. Soon after they first met, sixteen-year-old Cass found herself in love with the two handsome young men and learned that they were vampires. But that didn't stop her from crushing on them. Years later, the three friends reconnect. Cass soon realizes that she's never gotten over her love for them. Fortunately for her, the sexy, undercover government agents no longer think of her as the cute teen girl who hung with them. She's now a beautiful, sexy woman and someone they immediately sense should be their mate. Cass visits the men's ranch, but she brings her terminally ill, yet soon-to-be fiance, Emmett, along with her. Can she convince Mason and Barroll to turn Emmett, saving his life, even if it goes against their beliefs? Will Emmett refuse, preferring to die human? Or will she have to force all three men to choose between what they believe and keeping her?