Yule Tied (#5): Mistletoe and Masks by Angela Knight Genre(s): Paranormal, Action Adventure & Suspense, BDSM, Romance Theme(s): Christmas, Men and Women in Uniform, Dark Desire Hyper Luke McKellen is Lock, a superhero with a dominant streak who yearns for his lovely partner, Ultra, AKA Nikki Moss. Trouble is, he thinks Nikki’s too vanilla —…