Ever since Violetta and Loan got stuck together in an elevator, they became best friends—and a lot in their lives has changed. Loan is going through a breakup with his beloved girlfriend. For Violetta, a romance with the charming Clément—a student at a business school—has just begun. It seems he’s “the one.” There’s only one problem: Violetta is a virgin. She asks her best friend Loan for help and offers him to sleep with her. He’s horrified by the idea, but in the end agrees. After all, it’s only once. Right?