After a five-year absence and learning of her ex-husbands death, Bette moves back to town to live with her son and brother-in-law. Bette and the Uncle get it on together and decide that they want to get married. A love triangle grows between Bette, her son & the uncle and the three of them live 'together' as a threesome happily ever after.
Penises don't come with a size label on them so how's a boy supposed to know? Looking at porn you might be forgiven for thinking that they're all eight inches long.