One very hot Italian summer, a young woman sits alone in her bedroom and writes in her diary: 'I want love. I want to feel my heart melt. I want to sink into a river of passion.' As the summer unfolds, she follows her desires wherever they lead her, often into the arms of men who set her world on fire. She is thrilled to discover the sexual power she wields. And yet, will any of these passionate encounters lead to the love she longs for?