In the summer of his nineteenth year, Giulio has decided not to go away: he will spend his vacation at home, helping his parents with their work in the vegetable garden. In the house next door, empty for some time, arrives Lia, a twenty-year-old girl. Giulio would like to get to know her, but she is sullen and introverted. One day Giulio is swimming in the lake and Lia plays at drowning him. Giulio is a regular guy, sensitive and polite to a fault. Attracted to her, he starts thinking about her ...