Beautiful, talented, wealthy! Why were there crutches nestled frighteningly next to her chair? Why can’t her legs support her, because the doctors say she’s healthy? There is such a theory: the “butterfly effect” is a cause-and-effect relationship that secretly controls our destiny and, at times, life seems unbearable, and dark thoughts torment us, but there is no understanding of it. During long, tedious nights, Elena tries to understand when did the butterfly flap its wings in her own life? And how can she unravel the tangled tangle of toxic emotions that are destroying her health? Elena did not even imagine what would happen if she crossed this dangerous threshold of secrecy.