Andrey is a ladies' man, accustomed to using women. His life unexpectedly changes after meeting an extraordinary girl Nastya, with whom he spends a casual night. She turns out to be the granddaughter of a real witch. Nastya's granny decides to teach a lesson to the scoundrel, who, in her opinion, offended her granddaughter, and rewards the womanizer with horns. The only way for Andrey to get rid of this branchy decoration is true mutual love.