Sonja is 16 years-old. She lets her friends believe she has experience in bed. To her best friend, Julia, however, she admits she has never made love to anyone. Her boyfriend bores her. Her mother only makes matters worse. And she feels smothered in the apartment they share. Emotional chaos, attraction, confusion, anger... Adolescence and its moments of hesitation are captured here with accurate realism. Over the course of the summer holidays, Sonja soon understands to whom she feels attracted. An escape to her father's and a vain attempt at heterosexuality only serve to confirm to her that a change is needed...