Three girls are invited to participate in a music festival in their summer. However, they discover that they are in summer school, so they need to find a way to go to the musical festival without their parents finding out.
Dudu is a shy boy who, in his senior year of high school, is still a virgin. This situation makes him the constant target of jokes from his inseparable friends. One day, at the end of the school year, he is invited by the gorgeous Professor Deborah to take extra lessons at her house. The situation soon causes Dudu and his friends to believe that she is flirting on the boy, who cares more than never about his sexual inexperience.