What happens under the mistletoe, usually stays under the mistletoe? This is unless you’ve kissed your girlfriend’s sister. Well that’s the predicament that Brian has found himself in… Now, it is haunting him so he needs to come clean to his girlfriend Karianne. Maybe it would be no big deal? Probably not because Karianne hates her sister. She’s going to be pissed, but can she look past it and Forgive and Forget Brian?