It took Ruslan a long time to understand that his beloved sister Elya is not human! Just as their mother was not a person - a strange woman with very light eyes. Elya is the generation and embodiment of Evil, the force that aims to destroy humanity. Once every hundred years, a heartless witch is born on earth, from whom it is impossible to escape. She sows troubles and reaps suffering, enjoying other people's pain and sorrow. Ruslan gets an insignificant, but still a chance to save the soul of his sister - but does he have enough strength, love and courage?