In Renaissance Italy, a monk accidentally stumbles upon the secret of asymmetry in atoms. Almost half a millennium later, his discovery, which has been slumbering in the depths of the Vatican Library, falls into the hands of people who understand atomic physics. A race begins to use this knowledge to lead nuclear technology into a new era. In this race, a young forced laborer in a factory in Vietnam becomes entangled. She manages to escape to the Philippines with a nuclear engineer from Europe. Step by step, the malevolent shadows of her past intertwine with the struggle for the secret of asymmetry, creating a sinister threat. Unsentimental, with intelligence, wit, and sophistication, the young woman seeks ways out of danger - a science thriller set in the world of atomic physics, woven into a cleverly narrated story.