Lin Jianwei, a genius appraiser, can glimpse the dusty past in the glimmer of gems. A huge blood-stained "Blue Moon" diamond imprinted the despair of child laborers and the atrocities of militants in her mind. Rejecting the mysterious theory of "psychic", she uses mineralogy as a blade and the spectrum of inclusions as a code to peel off the cocoons and point directly at the transnational black network of blood diamonds. When the light of science and justice penetrates the fog of greed, she vows to make every bright light imprinted with an innocent origin.
