Your wife's stepsister is staying with you for a little while. While she gets back up on her feet one night, you overhear her on the phone saying how attractive she thinks that you are and how grateful she is for you, letting her stay. You guys sit and chit-chat and things turn to a steamy conversation. One thing leads to another, and you are venting about how her stepsister (your wife) never gives you love. She makes a move. It leads to a raucous affair as your wife's ambien is making her snore the night away