When Tracy Sharp, a twenty-seven-year-old American woman, lost her husband in a road accident, it seemed to her that everything was over. For almost a year she could not come to her senses. But time healed the wound, and gradually she returned to life. Now the main thing for Tracy was to continue the work of her husband, an archaeologist. She decides to follow in the footsteps of his last expedition to Mexico, where John found a cave with ancient cave paintings. In search of this mysterious cave, among the exotically beautiful Mexican mountains and canyons, Tracy meets the greatest adventure of her life - an extraordinary, all-consuming love...