It's summer and Silvia confides her intimate secrets to her diary. On the beach, under the hot sun, her body is exposed, vulnerable, and at the same time the object of a desire that is still unknown. Sweat, skin, and glances mingle in a game of curiosity and fear, where every little gesture seems to carry weight. Silvia feels she is completely abandoning her childhood and is afraid of growing up. How does one give their first kiss?