Neglected by her boyfriend Gary and forgotten by the world, Katherine Brenner lives as a prisoner in her home, bounded by fear, vulnerability and abuse. Turning to the Internet to find some form of refuge, she finds solace with Cristian Toro, an Argentine whose life is just as tumultuous. What at first seems random turns out be more than just coincidence. Giving her the nickname Cielo, Spanish for sky, Cristian interprets her as warm, open and with the vast potential to become someone phenomenal.
Realizing that she is wrapped up in a completely different world, suddenly dealing with the Spanish language and exploring new ideas, Katherine tries to discover a plausible excuse to liberate herself from the intangible mental chains keeping her in Kansas. Reconnecting with her estranged sister Amy, Katherine continuously wades through surprising twists from her relationship at home and new friendship in South America. Finding herself surrounded by lies and deceit, she also discovers her self-worth. And when she finally listens to her conscience and boards a plane to Buenos Aires, Katherine ends up fighting a battle with her heart while trying to save her life from the unexpected dangerous maniac.