After watching a few minutes in, the discover that the couple having intercourse on the video is Steve and Marcy who've been secretly videotaped in their room at the Hop-On-Inn.
After watching a few minutes of the tape, the Bundys discover that the couple having sex on the video is none other than Steve and Marcy. It turns out that they had been secretly videotaped in their room at the Hop-On-Inn.