Stefano, a philosophy grad student without a future, tries to commit suicide after his girlfriend leaves him. He is saved by Giulio, a wisecracking plumber who takes him home and teaches him the tricks of the trade. When Lucia, a woman disappointed in both men and conventional jobs who has started to work as a prostitute, calls them to repair a sink, for Stefano it's love at first sight.

In a high school in the outskirts of Rome, it's the last day before the summer holidays. A literature teacher reminisces the past year and wonders what will become of the students he cared for as if they were his children.