Jim, a sex icon of the Parisian gay scene, sees his life turned upside down when he contracts Heterosis, a strange virus that turns gay men… heterosexual!

Suddenly abandoned by everyone, he finds support only from his last remaining follower (and first true admirer), Lucien, a young man struggling to accept himself. Together, they set off on a quest for a mysterious cure that could heal Jim and prevent the extinction of homosexuality…