By the age of thirty, this woman lives in her own closed world. Work in a provincial library, thoughtful reading, loneliness. All this suits her quite well. And suddenly love bursts into her quiet world - as in books, at first sight! But in life, reckless love is followed by betrayal. But instead of falling into despair, the heroine decides to change her fate beyond recognition. She becomes the cold and luxurious metropolitan predator Mado. And she herself controls the destinies of men who fall under her spell. Mado is sure: there is no return to her past self. After all, you probably can’t step into the same river twice?..