Katie's grandmother gave her an enchanted amethyst necklace to protect her when her Army unit's called to war. But protection isn't all the amethyst has to offer. During her farewell weekend party, everyone's feeling the necklace's kinky, erotic effects.

Mark and Jarrod never imagined when they accepted an invite to an off-to-war bash they'd find a woman who would make them both rock hard and ready. But with her strange amethyst necklace flipping everyone's libido into overdrive and the sky raining amethyst, will they be able to convince her their attraction is more than magic?