The retired dentist Caroline attends a class for computer users. Although she is married, she falls in love with her significantly younger lecturer. It turns out he used to visit her surgery because primarily in order to enjoy her view. Her husband finds out about her affair with this admirer.

A solitary man who does not speak Spanish is an underground courier. Two men who are both thuggish and philosophical send him to Madrid with cryptic instructions. Over the course of a few days, he receives his instructions from a series of distinctive individuals who provide words of philosophy or of warning and also give him a matchbox with a tiny piece of paper, which he reads then eats, accompanied by espresso served in two cups. He is quiet, self-contained, focused on his work. He has rules....