The Mistletoe Vixen

Someone sent Kara’s husband a naughty Christmas card with an invitation to meet under the mistletoe at his annual company holiday party. Kara knows she can trust Colt, but what if? That nagging feeling like she shouldn’t ignore the invite won’t let her rest. Determined to find out if Colt is being unfaithful, Kara decides to test him with a visit to the party incognito.
Who is that mistletoe vixen?
And what is she to Colt?