Beta wolf Marcus McCloud and omega lion shifter Nathan River are still getting used to their new digs. Being mated to the alpha, Zane, who is set to rule over an entire pack has its perks. Though Marcus is still struggling with the idea that he is no longer Nathan's sole protector, as well as his growing lust for the male he once considered a rival. As far as Nathan is concerned, the sooner is mates admit they love each other as well as him, the better. The only thing between them and true happiness is the threat of the alpha who nearly killed another omega and tried killing Nathan. He's still out there, they can sense his presence. When Zane devises a plan to lure Belmont to them, Nathan grows sick of being left in the dark but help from a few lion shifters might be what they need. [Siren Menage Everlasting ManLove: Multiple Partners, Alternative, Paranormal, Shape-shifter, Werewolves/Vampires, MMM, HEA]