The New Yorker: "While the Women Are Sleeping" by Javier Marias

A couple from Madrid is on an island vacation where they observe other people at the beach, including the attractive Inés and her older, far less attractive companion, Alberto. The most remarkable thing about this pair is that the man is constantly video-taping the woman, and it's clear that he adores her. She, on the other hand, is "appropriately indifferent." Their behavior puzzles the Madrid couple and eventually the man finds Alberto alone, by the pool late at night. Alberto explains, alt...