Marco thought he had the perfect wife—beautiful, devoted, his alone. When Elena takes a "tasteful" acting gig that turns out to be hardcore porn, everything changes. One scene becomes a full career. One husband becomes a willing voyeur.
As a young male growing up on a farm in Colorado, interaction with members of the opposite sex were limited. Luckily, I had a few cousins to keep me company.
An older man in a sexless marriage finds lust handily nearby and his life is enriched. That gets his asexual wife going again and they have more adventures than in their younger days.