After a relaxing weekend at her parent's cabin, twenty-eight year-old Mary Jane comes home to find that her ex-boyfriend has been banging on the door all weekend while she was gone. David, her neighbor tells her this.
David then turns out to be her sub-teacher for one of her Master level Psychology classes. She finds that she's more than a little hot for him. When he asks her out, she accepts and they have a great time together until the ex-boyfriend shows up to attempt to ruin their night.